diff --git a/src/core/public/chrome/ui/header/__snapshots__/collapsible_nav.test.tsx.snap b/src/core/public/chrome/ui/header/__snapshots__/collapsible_nav.test.tsx.snap
index 7b88a0cac41..42aa2d4c596 100644
--- a/src/core/public/chrome/ui/header/__snapshots__/collapsible_nav.test.tsx.snap
+++ b/src/core/public/chrome/ui/header/__snapshots__/collapsible_nav.test.tsx.snap
@@ -160,7 +160,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
           "baseUrl": "/",
           "category": Object {
             "id": "opensearchDashboards",
-            "label": "Library",
+            "label": "OpenSearch Dashboards",
             "order": 1000,
           },
           "data-test-subj": "discover",
@@ -215,7 +215,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
           "baseUrl": "/",
           "category": Object {
             "id": "opensearchDashboards",
-            "label": "Library",
+            "label": "OpenSearch Dashboards",
             "order": 1000,
           },
           "data-test-subj": "visualize",
@@ -228,7 +228,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
           "baseUrl": "/",
           "category": Object {
             "id": "opensearchDashboards",
-            "label": "Library",
+            "label": "OpenSearch Dashboards",
             "order": 1000,
           },
           "data-test-subj": "dashboard",
@@ -1770,7 +1770,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
               isCollapsible={true}
               key="opensearchDashboards"
               onToggle={[Function]}
-              title="Library"
+              title="OpenSearch Dashboards"
             >
               <EuiAccordion
                 arrowDisplay="right"
@@ -1797,7 +1797,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
                           className="euiCollapsibleNavGroup__title"
                           id="mockId__title"
                         >
-                          Library
+                          OpenSearch Dashboards
                         </h3>
                       </EuiTitle>
                     </EuiFlexItem>
@@ -1884,7 +1884,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
                                     className="euiTitle euiTitle--xxsmall euiCollapsibleNavGroup__title"
                                     id="mockId__title"
                                   >
-                                    Library
+                                    OpenSearch Dashboards
                                   </h3>
                                 </EuiTitle>
                               </div>
@@ -1912,7 +1912,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
                             className="euiCollapsibleNavGroup__children"
                           >
                             <EuiListGroup
-                              aria-label="Primary navigation links, Library"
+                              aria-label="Primary navigation links, OpenSearch Dashboards"
                               color="subdued"
                               gutterSize="none"
                               listItems={
@@ -1947,7 +1947,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
                               size="s"
                             >
                               <ul
-                                aria-label="Primary navigation links, Library"
+                                aria-label="Primary navigation links, OpenSearch Dashboards"
                                 className="euiListGroup"
                                 style={
                                   Object {
@@ -2753,7 +2753,7 @@ exports[`CollapsibleNav renders links grouped by category 1`] = `
             </EuiCollapsibleNavGroup>
             <EuiCollapsibleNavGroup
               data-test-subj="collapsibleNavGroup-noCategory"
-              key="0"
+              key="4"
             >
               <div
                 className="euiCollapsibleNavGroup"
@@ -2967,15 +2967,7 @@ exports[`CollapsibleNav renders the default nav 1`] = `
   customNavLink$={
     BehaviorSubject {
       "_isScalar": false,
-      "_value": Object {
-        "baseUrl": "/",
-        "category": undefined,
-        "data-test-subj": "Custom link",
-        "href": "Custom link",
-        "id": "Custom link",
-        "isActive": true,
-        "title": "Custom link",
-      },
+      "_value": undefined,
       "closed": false,
       "hasError": false,
       "isStopped": false,
@@ -3241,15 +3233,7 @@ exports[`CollapsibleNav renders the default nav 2`] = `
   customNavLink$={
     BehaviorSubject {
       "_isScalar": false,
-      "_value": Object {
-        "baseUrl": "/",
-        "category": undefined,
-        "data-test-subj": "Custom link",
-        "href": "Custom link",
-        "id": "Custom link",
-        "isActive": true,
-        "title": "Custom link",
-      },
+      "_value": undefined,
       "closed": false,
       "hasError": false,
       "isStopped": false,
@@ -3516,15 +3500,7 @@ exports[`CollapsibleNav renders the default nav 3`] = `
   customNavLink$={
     BehaviorSubject {
       "_isScalar": false,
-      "_value": Object {
-        "baseUrl": "/",
-        "category": undefined,
-        "data-test-subj": "Custom link",
-        "href": "Custom link",
-        "id": "Custom link",
-        "isActive": true,
-        "title": "Custom link",
-      },
+      "_value": undefined,
       "closed": false,
       "hasError": false,
       "isStopped": false,
@@ -4087,15 +4063,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
   customNavLink$={
     BehaviorSubject {
       "_isScalar": false,
-      "_value": Object {
-        "baseUrl": "/",
-        "category": undefined,
-        "data-test-subj": "Custom link",
-        "href": "Custom link",
-        "id": "Custom link",
-        "isActive": true,
-        "title": "Custom link",
-      },
+      "_value": undefined,
       "closed": false,
       "hasError": false,
       "isStopped": false,
@@ -4180,7 +4148,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
           "baseUrl": "/",
           "category": Object {
             "id": "opensearchDashboards",
-            "label": "Library",
+            "label": "OpenSearch Dashboards",
             "order": 1000,
           },
           "data-test-subj": "discover",
@@ -4562,7 +4530,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
               isCollapsible={true}
               key="opensearchDashboards"
               onToggle={[Function]}
-              title="Library"
+              title="OpenSearch Dashboards"
             >
               <EuiAccordion
                 arrowDisplay="right"
@@ -4589,7 +4557,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
                           className="euiCollapsibleNavGroup__title"
                           id="mockId__title"
                         >
-                          Library
+                          OpenSearch Dashboards
                         </h3>
                       </EuiTitle>
                     </EuiFlexItem>
@@ -4676,7 +4644,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
                                     className="euiTitle euiTitle--xxsmall euiCollapsibleNavGroup__title"
                                     id="mockId__title"
                                   >
-                                    Library
+                                    OpenSearch Dashboards
                                   </h3>
                                 </EuiTitle>
                               </div>
@@ -4704,7 +4672,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
                             className="euiCollapsibleNavGroup__children"
                           >
                             <EuiListGroup
-                              aria-label="Primary navigation links, Library"
+                              aria-label="Primary navigation links, OpenSearch Dashboards"
                               color="subdued"
                               gutterSize="none"
                               listItems={
@@ -4723,7 +4691,7 @@ exports[`CollapsibleNav with custom branding renders the nav bar in dark mode 1`
                               size="s"
                             >
                               <ul
-                                aria-label="Primary navigation links, Library"
+                                aria-label="Primary navigation links, OpenSearch Dashboards"
                                 className="euiListGroup"
                                 style={
                                   Object {
@@ -6396,7 +6364,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in dark mode
           "baseUrl": "/",
           "category": Object {
             "id": "opensearchDashboards",
-            "label": "Library",
+            "label": "OpenSearch Dashboards",
             "order": 1000,
           },
           "data-test-subj": "discover",
@@ -6778,7 +6746,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in dark mode
               isCollapsible={true}
               key="opensearchDashboards"
               onToggle={[Function]}
-              title="Library"
+              title="OpenSearch Dashboards"
             >
               <EuiAccordion
                 arrowDisplay="right"
@@ -6805,7 +6773,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in dark mode
                           className="euiCollapsibleNavGroup__title"
                           id="mockId__title"
                         >
-                          Library
+                          OpenSearch Dashboards
                         </h3>
                       </EuiTitle>
                     </EuiFlexItem>
@@ -6892,7 +6860,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in dark mode
                                     className="euiTitle euiTitle--xxsmall euiCollapsibleNavGroup__title"
                                     id="mockId__title"
                                   >
-                                    Library
+                                    OpenSearch Dashboards
                                   </h3>
                                 </EuiTitle>
                               </div>
@@ -6920,7 +6888,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in dark mode
                             className="euiCollapsibleNavGroup__children"
                           >
                             <EuiListGroup
-                              aria-label="Primary navigation links, Library"
+                              aria-label="Primary navigation links, OpenSearch Dashboards"
                               color="subdued"
                               gutterSize="none"
                               listItems={
@@ -6939,7 +6907,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in dark mode
                               size="s"
                             >
                               <ul
-                                aria-label="Primary navigation links, Library"
+                                aria-label="Primary navigation links, OpenSearch Dashboards"
                                 className="euiListGroup"
                                 style={
                                   Object {
@@ -7371,15 +7339,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
   customNavLink$={
     BehaviorSubject {
       "_isScalar": false,
-      "_value": Object {
-        "baseUrl": "/",
-        "category": undefined,
-        "data-test-subj": "Custom link",
-        "href": "Custom link",
-        "id": "Custom link",
-        "isActive": true,
-        "title": "Custom link",
-      },
+      "_value": undefined,
       "closed": false,
       "hasError": false,
       "isStopped": false,
@@ -7464,7 +7424,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
           "baseUrl": "/",
           "category": Object {
             "id": "opensearchDashboards",
-            "label": "Library",
+            "label": "OpenSearch Dashboards",
             "order": 1000,
           },
           "data-test-subj": "discover",
@@ -7846,7 +7806,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
               isCollapsible={true}
               key="opensearchDashboards"
               onToggle={[Function]}
-              title="Library"
+              title="OpenSearch Dashboards"
             >
               <EuiAccordion
                 arrowDisplay="right"
@@ -7873,7 +7833,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
                           className="euiCollapsibleNavGroup__title"
                           id="mockId__title"
                         >
-                          Library
+                          OpenSearch Dashboards
                         </h3>
                       </EuiTitle>
                     </EuiFlexItem>
@@ -7960,7 +7920,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
                                     className="euiTitle euiTitle--xxsmall euiCollapsibleNavGroup__title"
                                     id="mockId__title"
                                   >
-                                    Library
+                                    OpenSearch Dashboards
                                   </h3>
                                 </EuiTitle>
                               </div>
@@ -7988,7 +7948,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
                             className="euiCollapsibleNavGroup__children"
                           >
                             <EuiListGroup
-                              aria-label="Primary navigation links, Library"
+                              aria-label="Primary navigation links, OpenSearch Dashboards"
                               color="subdued"
                               gutterSize="none"
                               listItems={
@@ -8007,7 +7967,7 @@ exports[`CollapsibleNav without custom branding renders the nav bar in default m
                               size="s"
                             >
                               <ul
-                                aria-label="Primary navigation links, Library"
+                                aria-label="Primary navigation links, OpenSearch Dashboards"
                                 className="euiListGroup"
                                 style={
                                   Object {
diff --git a/src/core/public/chrome/ui/header/collapsible_nav.test.tsx b/src/core/public/chrome/ui/header/collapsible_nav.test.tsx
index df8568d5b4e..c116063cb57 100644
--- a/src/core/public/chrome/ui/header/collapsible_nav.test.tsx
+++ b/src/core/public/chrome/ui/header/collapsible_nav.test.tsx
@@ -163,10 +163,6 @@ describe('CollapsibleNav', () => {
   });
 
   it('remembers collapsible section state', () => {
-    /**
-     * TODO skip for workspace refractor, will revert once refractor the left menu part
-     */
-    return;
     const navLinks = [
       mockLink({ category: opensearchDashboards }),
       mockLink({ category: observability }),
@@ -180,7 +176,7 @@ describe('CollapsibleNav', () => {
         recentlyAccessed$={new BehaviorSubject(recentNavLinks)}
       />
     );
-    expectShownNavLinksCount(component, 0);
+    expectShownNavLinksCount(component, 3);
     clickGroup(component, 'opensearchDashboards');
     clickGroup(component, 'recentlyViewed');
     expectShownNavLinksCount(component, 1);
@@ -191,10 +187,6 @@ describe('CollapsibleNav', () => {
   });
 
   it('closes the nav after clicking a link', () => {
-    /**
-     * TODO skip for workspace refractor, will revert once refractor the left menu part
-     */
-    return;
     const onClose = sinon.spy();
     const navLinks = [
       mockLink({ category: opensearchDashboards }),
diff --git a/src/core/public/workspace/workspaces_service.mock.ts b/src/core/public/workspace/workspaces_service.mock.ts
index d9190c28176..ee813fffa8f 100644
--- a/src/core/public/workspace/workspaces_service.mock.ts
+++ b/src/core/public/workspace/workspaces_service.mock.ts
@@ -9,12 +9,14 @@ import { WorkspaceAttribute } from '..';
 const currentWorkspaceId$ = new BehaviorSubject<string>('');
 const workspaceList$ = new BehaviorSubject<WorkspaceAttribute[]>([]);
 const currentWorkspace$ = new BehaviorSubject<WorkspaceAttribute | null>(null);
+const hasFetchedWorkspaceList$ = new BehaviorSubject<boolean>(false);
 const workspaceEnabled$ = new BehaviorSubject<boolean>(false);
 
 const createWorkspacesSetupContractMock = () => ({
   currentWorkspaceId$,
   workspaceList$,
   currentWorkspace$,
+  hasFetchedWorkspaceList$,
   workspaceEnabled$,
   registerWorkspaceMenuRender: jest.fn(),
 });
@@ -23,6 +25,7 @@ const createWorkspacesStartContractMock = () => ({
   currentWorkspaceId$,
   workspaceList$,
   currentWorkspace$,
+  hasFetchedWorkspaceList$,
   workspaceEnabled$,
   renderWorkspaceMenu: jest.fn(),
 });
diff --git a/src/core/public/workspace/workspaces_service.ts b/src/core/public/workspace/workspaces_service.ts
index 9a150480855..9b386599cea 100644
--- a/src/core/public/workspace/workspaces_service.ts
+++ b/src/core/public/workspace/workspaces_service.ts
@@ -23,6 +23,7 @@ export interface WorkspaceObservables {
   currentWorkspace$: BehaviorSubject<WorkspaceAttribute | null>;
   workspaceList$: BehaviorSubject<WorkspaceAttribute[]>;
   workspaceEnabled$: BehaviorSubject<boolean>;
+  hasFetchedWorkspaceList$: BehaviorSubject<boolean>;
 }
 
 /**
@@ -40,6 +41,7 @@ export class WorkspaceService implements CoreService<WorkspaceSetup, WorkspaceSt
   private currentWorkspaceId$ = new BehaviorSubject<string>('');
   private workspaceList$ = new BehaviorSubject<WorkspaceAttribute[]>([]);
   private currentWorkspace$ = new BehaviorSubject<WorkspaceAttribute | null>(null);
+  private hasFetchedWorkspaceList$ = new BehaviorSubject<boolean>(false);
   private workspaceEnabled$ = new BehaviorSubject<boolean>(false);
   private _renderWorkspaceMenu: WorkspaceMenuRenderFn | null = null;
 
@@ -48,6 +50,7 @@ export class WorkspaceService implements CoreService<WorkspaceSetup, WorkspaceSt
       currentWorkspaceId$: this.currentWorkspaceId$,
       currentWorkspace$: this.currentWorkspace$,
       workspaceList$: this.workspaceList$,
+      hasFetchedWorkspaceList$: this.hasFetchedWorkspaceList$,
       workspaceEnabled$: this.workspaceEnabled$,
       registerWorkspaceMenuRender: (render: WorkspaceMenuRenderFn) =>
         (this._renderWorkspaceMenu = render),
@@ -65,6 +68,7 @@ export class WorkspaceService implements CoreService<WorkspaceSetup, WorkspaceSt
       currentWorkspaceId$: this.currentWorkspaceId$,
       currentWorkspace$: this.currentWorkspace$,
       workspaceList$: this.workspaceList$,
+      hasFetchedWorkspaceList$: this.hasFetchedWorkspaceList$,
       workspaceEnabled$: this.workspaceEnabled$,
     };
     return {
@@ -87,6 +91,7 @@ export class WorkspaceService implements CoreService<WorkspaceSetup, WorkspaceSt
     this.currentWorkspaceId$.unsubscribe();
     this.workspaceList$.unsubscribe();
     this.workspaceEnabled$.unsubscribe();
+    this.hasFetchedWorkspaceList$.unsubscribe();
     this._renderWorkspaceMenu = null;
   }
 }
diff --git a/src/core/server/saved_objects/import/check_conflicts.ts b/src/core/server/saved_objects/import/check_conflicts.ts
index 830f7f55d7c..f36bcf3a8a9 100644
--- a/src/core/server/saved_objects/import/check_conflicts.ts
+++ b/src/core/server/saved_objects/import/check_conflicts.ts
@@ -44,6 +44,7 @@ interface CheckConflictsParams {
   ignoreRegularConflicts?: boolean;
   retries?: SavedObjectsImportRetry[];
   createNewCopies?: boolean;
+  workspaces?: string[];
 }
 
 const isUnresolvableConflict = (error: SavedObjectError) =>
@@ -56,6 +57,7 @@ export async function checkConflicts({
   ignoreRegularConflicts,
   retries = [],
   createNewCopies,
+  workspaces,
 }: CheckConflictsParams) {
   const filteredObjects: Array<SavedObject<{ title?: string }>> = [];
   const errors: SavedObjectsImportError[] = [];
@@ -77,6 +79,7 @@ export async function checkConflicts({
   });
   const checkConflictsResult = await savedObjectsClient.checkConflicts(objectsToCheck, {
     namespace,
+    workspaces,
   });
   const errorMap = checkConflictsResult.errors.reduce(
     (acc, { type, id, error }) => acc.set(`${type}:${id}`, error),
diff --git a/src/core/server/saved_objects/import/import_saved_objects.ts b/src/core/server/saved_objects/import/import_saved_objects.ts
index 68104db85e6..9ef0c9209d6 100644
--- a/src/core/server/saved_objects/import/import_saved_objects.ts
+++ b/src/core/server/saved_objects/import/import_saved_objects.ts
@@ -38,7 +38,7 @@ import { validateReferences } from './validate_references';
 import { checkOriginConflicts } from './check_origin_conflicts';
 import { createSavedObjects } from './create_saved_objects';
 import { checkConflicts } from './check_conflicts';
-import { regenerateIds } from './regenerate_ids';
+import { regenerateIds, regenerateIdsWithReference } from './regenerate_ids';
 
 /**
  * Import saved objects from given stream. See the {@link SavedObjectsImportOptions | options} for more
@@ -81,12 +81,19 @@ export async function importSavedObjectsFromStream({
   if (createNewCopies) {
     importIdMap = regenerateIds(collectSavedObjectsResult.collectedObjects);
   } else {
+    importIdMap = await regenerateIdsWithReference({
+      savedObjects: collectSavedObjectsResult.collectedObjects,
+      savedObjectsClient,
+      workspaces,
+      objectLimit,
+    });
     // Check single-namespace objects for conflicts in this namespace, and check multi-namespace objects for conflicts across all namespaces
     const checkConflictsParams = {
       objects: collectSavedObjectsResult.collectedObjects,
       savedObjectsClient,
       namespace,
       ignoreRegularConflicts: overwrite,
+      workspaces,
     };
     const checkConflictsResult = await checkConflicts(checkConflictsParams);
     errorAccumulator = [...errorAccumulator, ...checkConflictsResult.errors];
diff --git a/src/core/server/saved_objects/import/regenerate_ids.ts b/src/core/server/saved_objects/import/regenerate_ids.ts
index 672a8f03062..1d998008b21 100644
--- a/src/core/server/saved_objects/import/regenerate_ids.ts
+++ b/src/core/server/saved_objects/import/regenerate_ids.ts
@@ -29,7 +29,8 @@
  */
 
 import { v4 as uuidv4 } from 'uuid';
-import { SavedObject } from '../types';
+import { SavedObject, SavedObjectsClientContract } from '../types';
+import { SavedObjectsUtils } from '../service';
 
 /**
  * Takes an array of saved objects and returns an importIdMap of randomly-generated new IDs.
@@ -42,3 +43,39 @@ export const regenerateIds = (objects: SavedObject[]) => {
   }, new Map<string, { id: string; omitOriginId?: boolean }>());
   return importIdMap;
 };
+
+export const regenerateIdsWithReference = async (props: {
+  savedObjects: SavedObject[];
+  savedObjectsClient: SavedObjectsClientContract;
+  workspaces?: string[];
+  objectLimit: number;
+}): Promise<Map<string, { id?: string; omitOriginId?: boolean }>> => {
+  const { savedObjects, savedObjectsClient, workspaces } = props;
+  if (!workspaces || !workspaces.length) {
+    return savedObjects.reduce((acc, object) => {
+      return acc.set(`${object.type}:${object.id}`, { id: object.id, omitOriginId: false });
+    }, new Map<string, { id: string; omitOriginId?: boolean }>());
+  }
+
+  const bulkGetResult = await savedObjectsClient.bulkGet(
+    savedObjects.map((item) => ({ type: item.type, id: item.id }))
+  );
+
+  return bulkGetResult.saved_objects.reduce((acc, object) => {
+    if (object.error?.statusCode === 404) {
+      acc.set(`${object.type}:${object.id}`, { id: object.id, omitOriginId: true });
+      return acc;
+    }
+
+    const filteredWorkspaces = SavedObjectsUtils.filterWorkspacesAccordingToBaseWorkspaces(
+      workspaces,
+      object.workspaces
+    );
+    if (filteredWorkspaces.length) {
+      acc.set(`${object.type}:${object.id}`, { id: uuidv4(), omitOriginId: true });
+    } else {
+      acc.set(`${object.type}:${object.id}`, { id: object.id, omitOriginId: false });
+    }
+    return acc;
+  }, new Map<string, { id: string; omitOriginId?: boolean }>());
+};
diff --git a/src/core/server/saved_objects/service/lib/repository.ts b/src/core/server/saved_objects/service/lib/repository.ts
index e479b1e95bc..fcfe6eed0d9 100644
--- a/src/core/server/saved_objects/service/lib/repository.ts
+++ b/src/core/server/saved_objects/service/lib/repository.ts
@@ -378,15 +378,28 @@ export class SavedObjectsRepository {
 
       const method = object.id && overwrite ? 'index' : 'create';
       const requiresNamespacesCheck = object.id && this._registry.isMultiNamespace(object.type);
+      /**
+       * Only when importing an object to a target workspace should we check if the object is workspace-specific.
+       */
+      const requiresWorkspaceCheck = object.id;
 
       if (object.id == null) object.id = uuid.v1();
 
+      let opensearchRequestIndexPayload = {};
+
+      if (requiresNamespacesCheck || requiresWorkspaceCheck) {
+        opensearchRequestIndexPayload = {
+          opensearchRequestIndex: bulkGetRequestIndexCounter,
+        };
+        bulkGetRequestIndexCounter++;
+      }
+
       return {
         tag: 'Right' as 'Right',
         value: {
           method,
           object,
-          ...(requiresNamespacesCheck && { opensearchRequestIndex: bulkGetRequestIndexCounter++ }),
+          ...opensearchRequestIndexPayload,
         },
       };
     });
@@ -397,7 +410,7 @@ export class SavedObjectsRepository {
       .map(({ value: { object: { type, id } } }) => ({
         _id: this._serializer.generateRawId(namespace, type, id),
         _index: this.getIndexForType(type),
-        _source: ['type', 'namespaces'],
+        _source: ['type', 'namespaces', 'workspaces'],
       }));
     const bulkGetResponse = bulkGetDocs.length
       ? await this.client.mget(
@@ -426,15 +439,8 @@ export class SavedObjectsRepository {
         method,
       } = expectedBulkGetResult.value;
       let savedObjectWorkspaces: string[] | undefined;
-      if (expectedBulkGetResult.value.method === 'create') {
-        if (options.workspaces) {
-          savedObjectWorkspaces = Array.from(new Set([...(options.workspaces || [])]));
-        }
-      } else if (object.workspaces) {
-        savedObjectWorkspaces = Array.from(
-          new Set([...object.workspaces, ...(options.workspaces || [])])
-        );
-      }
+      let finalMethod = method;
+      let finalObjectId = object.id;
       if (opensearchRequestIndex !== undefined) {
         const indexFound = bulkGetResponse?.statusCode !== 404;
         const actualResult = indexFound
@@ -471,12 +477,57 @@ export class SavedObjectsRepository {
         versionProperties = getExpectedVersionProperties(version);
       }
 
+      if (expectedBulkGetResult.value.method === 'create') {
+        savedObjectWorkspaces = options.workspaces;
+      } else {
+        const changeToCreate = () => {
+          finalMethod = 'create';
+          finalObjectId = object.id;
+          savedObjectWorkspaces = options.workspaces;
+          versionProperties = {};
+        };
+        /**
+         * When overwrite, need to check if the object is workspace-specific
+         * if so, copy object to target workspace instead of refering it.
+         */
+        const rawId = this._serializer.generateRawId(namespace, object.type, object.id);
+        const findObject =
+          bulkGetResponse?.statusCode !== 404
+            ? bulkGetResponse?.body.docs?.find((item) => item._id === rawId)
+            : null;
+        if (findObject && findObject.found) {
+          const transformedObject = this._serializer.rawToSavedObject(
+            findObject as SavedObjectsRawDoc
+          ) as SavedObject;
+          const filteredWorkspaces = SavedObjectsUtils.filterWorkspacesAccordingToBaseWorkspaces(
+            options.workspaces,
+            transformedObject.workspaces
+          );
+          /**
+           * We need to create a new object when the object
+           * is about to import into workspaces it is not belong to
+           */
+          if (filteredWorkspaces.length) {
+            /**
+             * Create a new object but only belong to the set of (target workspaces - original workspace)
+             */
+            changeToCreate();
+            finalObjectId = uuid.v1();
+            savedObjectWorkspaces = filteredWorkspaces;
+          } else {
+            savedObjectWorkspaces = transformedObject.workspaces;
+          }
+        } else {
+          savedObjectWorkspaces = options.workspaces;
+        }
+      }
+
       const expectedResult = {
         opensearchRequestIndex: bulkRequestIndexCounter++,
-        requestedId: object.id,
+        requestedId: finalObjectId,
         rawMigratedDoc: this._serializer.savedObjectToRaw(
           this._migrator.migrateDocument({
-            id: object.id,
+            id: finalObjectId,
             type: object.type,
             attributes: object.attributes,
             migrationVersion: object.migrationVersion,
@@ -492,7 +543,7 @@ export class SavedObjectsRepository {
 
       bulkCreateParams.push(
         {
-          [method]: {
+          [finalMethod]: {
             _id: expectedResult.rawMigratedDoc._id,
             _index: this.getIndexForType(object.type),
             ...(overwrite && versionProperties),
@@ -583,7 +634,7 @@ export class SavedObjectsRepository {
     const bulkGetDocs = expectedBulkGetResults.filter(isRight).map(({ value: { type, id } }) => ({
       _id: this._serializer.generateRawId(namespace, type, id),
       _index: this.getIndexForType(type),
-      _source: ['type', 'namespaces'],
+      _source: ['type', 'namespaces', 'workspaces'],
     }));
     const bulkGetResponse = bulkGetDocs.length
       ? await this.client.mget(
@@ -606,17 +657,24 @@ export class SavedObjectsRepository {
       const { type, id, opensearchRequestIndex } = expectedResult.value;
       const doc = bulkGetResponse?.body.docs[opensearchRequestIndex];
       if (doc?.found) {
-        errors.push({
-          id,
-          type,
-          error: {
-            ...errorContent(SavedObjectsErrorHelpers.createConflictError(type, id)),
-            // @ts-expect-error MultiGetHit._source is optional
-            ...(!this.rawDocExistsInNamespace(doc!, namespace) && {
-              metadata: { isNotOverwritable: true },
-            }),
-          },
-        });
+        const transformedObject = this._serializer.rawToSavedObject(doc as SavedObjectsRawDoc);
+        const filteredWorkspaces = SavedObjectsUtils.filterWorkspacesAccordingToBaseWorkspaces(
+          options.workspaces,
+          transformedObject.workspaces
+        );
+        if (!filteredWorkspaces.length) {
+          errors.push({
+            id,
+            type,
+            error: {
+              ...errorContent(SavedObjectsErrorHelpers.createConflictError(type, id)),
+              // @ts-expect-error MultiGetHit._source is optional
+              ...(!this.rawDocExistsInNamespace(doc!, namespace) && {
+                metadata: { isNotOverwritable: true },
+              }),
+            },
+          });
+        }
       }
     });
 
diff --git a/src/core/server/saved_objects/service/lib/utils.ts b/src/core/server/saved_objects/service/lib/utils.ts
index 4823e52d77c..490c2b7083d 100644
--- a/src/core/server/saved_objects/service/lib/utils.ts
+++ b/src/core/server/saved_objects/service/lib/utils.ts
@@ -80,4 +80,11 @@ export class SavedObjectsUtils {
     total: 0,
     saved_objects: [],
   });
+
+  public static filterWorkspacesAccordingToBaseWorkspaces(
+    targetWorkspaces?: string[],
+    baseWorkspaces?: string[]
+  ): string[] {
+    return targetWorkspaces?.filter((item) => !baseWorkspaces?.includes(item)) || [];
+  }
 }
diff --git a/src/plugins/saved_objects_management/public/management_section/objects_table/__snapshots__/saved_objects_table.test.tsx.snap b/src/plugins/saved_objects_management/public/management_section/objects_table/__snapshots__/saved_objects_table.test.tsx.snap
index f4d98f644c1..5f33fe812f3 100644
--- a/src/plugins/saved_objects_management/public/management_section/objects_table/__snapshots__/saved_objects_table.test.tsx.snap
+++ b/src/plugins/saved_objects_management/public/management_section/objects_table/__snapshots__/saved_objects_table.test.tsx.snap
@@ -209,9 +209,11 @@ exports[`SavedObjectsTable should render normally 1`] = `
 >
   <Header
     filteredCount={4}
+    onCopy={[Function]}
     onExportAll={[Function]}
     onImport={[Function]}
     onRefresh={[Function]}
+    selectedCount={0}
   />
   <EuiSpacer
     size="xs"
diff --git a/src/plugins/saved_objects_management/public/management_section/objects_table/components/__snapshots__/header.test.tsx.snap b/src/plugins/saved_objects_management/public/management_section/objects_table/components/__snapshots__/header.test.tsx.snap
index dace178024f..83240648032 100644
--- a/src/plugins/saved_objects_management/public/management_section/objects_table/components/__snapshots__/header.test.tsx.snap
+++ b/src/plugins/saved_objects_management/public/management_section/objects_table/components/__snapshots__/header.test.tsx.snap
@@ -57,6 +57,22 @@ exports[`Header should render normally 1`] = `
             />
           </EuiButtonEmpty>
         </EuiFlexItem>
+        <EuiFlexItem
+          grow={false}
+        >
+          <EuiButtonEmpty
+            data-test-subj="copyObjects"
+            disabled={false}
+            iconType="copy"
+            size="s"
+          >
+            <FormattedMessage
+              defaultMessage="Copy"
+              id="savedObjectsManagement.objectsTable.header.copyButtonLabel"
+              values={Object {}}
+            />
+          </EuiButtonEmpty>
+        </EuiFlexItem>
         <EuiFlexItem
           grow={false}
         >
diff --git a/src/plugins/workspace/common/constants.ts b/src/plugins/workspace/common/constants.ts
index ed48d8b11ec..dc04cd6bb96 100644
--- a/src/plugins/workspace/common/constants.ts
+++ b/src/plugins/workspace/common/constants.ts
@@ -10,6 +10,7 @@ export const WORKSPACE_CREATE_APP_ID = 'workspace_create';
 export const WORKSPACE_LIST_APP_ID = 'workspace_list';
 export const WORKSPACE_UPDATE_APP_ID = 'workspace_update';
 export const WORKSPACE_OVERVIEW_APP_ID = 'workspace_overview';
+export const WORKSPACE_FATAL_ERROR_APP_ID = 'workspace_fatal_error';
 export const PATHS = {
   create: '/create',
   overview: '/overview',
diff --git a/src/plugins/workspace/public/application.tsx b/src/plugins/workspace/public/application.tsx
index 000b89e5cae..db83d8eeaac 100644
--- a/src/plugins/workspace/public/application.tsx
+++ b/src/plugins/workspace/public/application.tsx
@@ -5,12 +5,13 @@
 
 import React from 'react';
 import ReactDOM from 'react-dom';
-import { AppMountParameters } from '../../../core/public';
+import { AppMountParameters, ScopedHistory } from '../../../core/public';
 import { OpenSearchDashboardsContextProvider } from '../../opensearch_dashboards_react/public';
 import { WorkspaceListApp } from './components/workspace_list_app';
 import { WorkspaceCreatorApp } from './components/workspace_creator_app';
 import { WorkspaceUpdaterApp } from './components/workspace_updater_app';
 import { WorkspaceOverviewApp } from './components/workspace_overview_app';
+import { WorkspaceFatalError } from './components/workspace_fatal_error';
 import { Services } from './types';
 
 export const renderListApp = (
@@ -75,3 +76,18 @@ export const renderOverviewApp = (
     ReactDOM.unmountComponentAtNode(element);
   };
 };
+
+export const renderFatalErrorApp = (params: AppMountParameters, services: Services) => {
+  const { element } = params;
+  const history = params.history as ScopedHistory<{ error?: string }>;
+  ReactDOM.render(
+    <OpenSearchDashboardsContextProvider services={services}>
+      <WorkspaceFatalError error={history.location.state.error} />
+    </OpenSearchDashboardsContextProvider>,
+    element
+  );
+
+  return () => {
+    ReactDOM.unmountComponentAtNode(element);
+  };
+};
diff --git a/src/plugins/workspace/public/components/workspace_fatal_error/index.ts b/src/plugins/workspace/public/components/workspace_fatal_error/index.ts
new file mode 100644
index 00000000000..afb34b10d91
--- /dev/null
+++ b/src/plugins/workspace/public/components/workspace_fatal_error/index.ts
@@ -0,0 +1,6 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+export { WorkspaceFatalError } from './workspace_fatal_error';
diff --git a/src/plugins/workspace/public/components/workspace_fatal_error/workspace_fatal_error.tsx b/src/plugins/workspace/public/components/workspace_fatal_error/workspace_fatal_error.tsx
new file mode 100644
index 00000000000..0509eb095bc
--- /dev/null
+++ b/src/plugins/workspace/public/components/workspace_fatal_error/workspace_fatal_error.tsx
@@ -0,0 +1,67 @@
+/*
+ * Copyright OpenSearch Contributors
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+import {
+  EuiButton,
+  EuiEmptyPrompt,
+  EuiPage,
+  EuiPageBody,
+  EuiPageContent,
+  EuiCallOut,
+} from '@elastic/eui';
+import React from 'react';
+import { FormattedMessage } from '@osd/i18n/react';
+import { useOpenSearchDashboards } from '../../../../opensearch_dashboards_react/public';
+import { formatUrlWithWorkspaceId } from '../../utils';
+
+export function WorkspaceFatalError(props: { error?: string }) {
+  const {
+    services: { application, http },
+  } = useOpenSearchDashboards();
+  const goBackToHome = () => {
+    window.location.href = formatUrlWithWorkspaceId(
+      application?.getUrlForApp('home') || '',
+      '',
+      http?.basePath
+    );
+  };
+  return (
+    <EuiPage style={{ minHeight: '100vh' }}>
+      <EuiPageBody component="main">
+        <EuiPageContent verticalPosition="center" horizontalPosition="center">
+          <EuiEmptyPrompt
+            iconType="alert"
+            iconColor="danger"
+            title={
+              <h2>
+                <FormattedMessage
+                  id="core.fatalErrors.somethingWentWrongTitle"
+                  defaultMessage="Something went wrong"
+                />
+              </h2>
+            }
+            body={
+              <p>
+                <FormattedMessage
+                  id="core.fatalErrors.tryGoBackToDefaultWorkspaceDescription"
+                  defaultMessage="The workspace you want to go can not be found, try go back to home."
+                />
+              </p>
+            }
+            actions={[
+              <EuiButton color="primary" fill onClick={goBackToHome} data-test-subj="asd">
+                <FormattedMessage
+                  id="core.fatalErrors.goBackToHome"
+                  defaultMessage="Go back to home"
+                />
+              </EuiButton>,
+            ]}
+          />
+          {props.error ? <EuiCallOut title={props.error} color="danger" iconType="alert" /> : null}
+        </EuiPageContent>
+      </EuiPageBody>
+    </EuiPage>
+  );
+}
diff --git a/src/plugins/workspace/public/plugin.ts b/src/plugins/workspace/public/plugin.ts
index 68342ee36c0..529714026c3 100644
--- a/src/plugins/workspace/public/plugin.ts
+++ b/src/plugins/workspace/public/plugin.ts
@@ -23,6 +23,7 @@ import {
   WORKSPACE_CREATE_APP_ID,
   WORKSPACE_OVERVIEW_APP_ID,
   WORKSPACE_NAV_CATEGORY,
+  WORKSPACE_FATAL_ERROR_APP_ID,
 } from '../common/constants';
 import { mountDropdownList } from './mount';
 import { SavedObjectsManagementPluginSetup } from '../../saved_objects_management/public';
@@ -63,12 +64,34 @@ export class WorkspacePlugin implements Plugin<{}, {}, WorkspacePluginSetupDeps>
     if (workspaceId) {
       const result = await workspaceClient.enterWorkspace(workspaceId);
       if (!result.success) {
-        core.fatalErrors.add(
-          result.error ||
-            i18n.translate('workspace.error.setup', {
-              defaultMessage: 'Workspace init failed',
-            })
-        );
+        /**
+         * Fatal error service does not support customized actions
+         * So we have to use a self-hosted page to show the errors and redirect.
+         */
+        (async () => {
+          const [{ application, chrome }] = await core.getStartServices();
+          chrome.setIsVisible(false);
+          application.navigateToApp(WORKSPACE_FATAL_ERROR_APP_ID, {
+            replace: true,
+            state: {
+              error: result.error,
+            },
+          });
+        })();
+      } else {
+        /**
+         * If the workspace id is valid and user is currently on workspace_fatal_error page,
+         * we should redirect user to overview page of workspace.
+         */
+        (async () => {
+          const [{ application }] = await core.getStartServices();
+          const currentAppIdSubscription = application.currentAppId$.subscribe((currentAppId) => {
+            if (currentAppId === WORKSPACE_FATAL_ERROR_APP_ID) {
+              application.navigateToApp(WORKSPACE_OVERVIEW_APP_ID);
+            }
+            currentAppIdSubscription.unsubscribe();
+          });
+        })();
       }
     }
     /**
@@ -148,6 +171,17 @@ export class WorkspacePlugin implements Plugin<{}, {}, WorkspacePluginSetupDeps>
       },
     });
 
+    // workspace fatal error
+    core.application.register({
+      id: WORKSPACE_FATAL_ERROR_APP_ID,
+      title: '',
+      navLinkStatus: AppNavLinkStatus.hidden,
+      async mount(params: AppMountParameters) {
+        const { renderFatalErrorApp } = await import('./application');
+        return mountWorkspaceApp(params, renderFatalErrorApp);
+      },
+    });
+
     return {};
   }
 
diff --git a/src/plugins/workspace/public/workspace_client.ts b/src/plugins/workspace/public/workspace_client.ts
index 5e8080cba3f..ab0b50c2b79 100644
--- a/src/plugins/workspace/public/workspace_client.ts
+++ b/src/plugins/workspace/public/workspace_client.ts
@@ -67,32 +67,34 @@ export class WorkspaceClient {
     this.http = http;
     this.workspaces = workspaces;
 
-    combineLatest([workspaces.workspaceList$, workspaces.currentWorkspaceId$]).subscribe(
-      ([workspaceList, currentWorkspaceId]) => {
-        if (workspaceList.length) {
-          const currentWorkspace = this.findWorkspace([workspaceList, currentWorkspaceId]);
+    combineLatest([
+      workspaces.hasFetchedWorkspaceList$,
+      workspaces.workspaceList$,
+      workspaces.currentWorkspaceId$,
+    ]).subscribe(([hasFetchedWorkspaceList, workspaceList, currentWorkspaceId]) => {
+      if (hasFetchedWorkspaceList) {
+        const currentWorkspace = this.findWorkspace([workspaceList, currentWorkspaceId]);
+
+        /**
+         * Do a simple idempotent verification here
+         */
+        if (!isEqual(currentWorkspace, workspaces.currentWorkspace$.getValue())) {
+          workspaces.currentWorkspace$.next(currentWorkspace);
+        }
 
+        if (currentWorkspaceId && !currentWorkspace?.id) {
           /**
-           * Do a simple idempotent verification here
+           * Current workspace is staled
            */
-          if (!isEqual(currentWorkspace, workspaces.currentWorkspace$.getValue())) {
-            workspaces.currentWorkspace$.next(currentWorkspace);
-          }
-
-          if (currentWorkspaceId && !currentWorkspace?.id) {
-            /**
-             * Current workspace is staled
-             */
-            workspaces.currentWorkspaceId$.error({
-              reason: WORKSPACE_ERROR_REASON_MAP.WORKSPACE_STALED,
-            });
-            workspaces.currentWorkspace$.error({
-              reason: WORKSPACE_ERROR_REASON_MAP.WORKSPACE_STALED,
-            });
-          }
+          workspaces.currentWorkspaceId$.error({
+            reason: WORKSPACE_ERROR_REASON_MAP.WORKSPACE_STALED,
+          });
+          workspaces.currentWorkspace$.error({
+            reason: WORKSPACE_ERROR_REASON_MAP.WORKSPACE_STALED,
+          });
         }
       }
-    );
+    });
   }
 
   /**
@@ -160,6 +162,8 @@ export class WorkspaceClient {
     if (result?.success) {
       this.workspaces.workspaceList$.next(result.result.workspaces);
     }
+
+    this.workspaces.hasFetchedWorkspaceList$.next(true);
   }
 
   public async enterWorkspace(id: string): Promise<IResponse<null>> {
diff --git a/src/plugins/workspace/server/saved_objects/workspace_saved_objects_client_wrapper.ts b/src/plugins/workspace/server/saved_objects/workspace_saved_objects_client_wrapper.ts
index 1c353e597af..543fcdadae9 100644
--- a/src/plugins/workspace/server/saved_objects/workspace_saved_objects_client_wrapper.ts
+++ b/src/plugins/workspace/server/saved_objects/workspace_saved_objects_client_wrapper.ts
@@ -307,12 +307,23 @@ export class WorkspaceSavedObjectsClientWrapper {
           ]
         );
         if (options.workspaces) {
-          const isEveryWorkspaceIsPermitted = options.workspaces.every((item) =>
+          const permittedWorkspaces = options.workspaces.filter((item) =>
             (permittedWorkspaceIds || []).includes(item)
           );
-          if (!isEveryWorkspaceIsPermitted) {
+          if (!permittedWorkspaces.length) {
+            /**
+             * If user does not have any one workspace access
+             * deny the request
+             */
             throw generateWorkspacePermissionError();
           }
+
+          /**
+           * Overwrite the options.workspaces when user has the access of partial workspaces.
+           * This mainly solve the problem that public workspace's ACL may be modified by dashboard_admin.
+           * And in custom workspace, we will fetch objects from public workspace and current custom workspace.
+           */
+          options.workspaces = permittedWorkspaces;
         } else {
           const queryDSL = ACL.genereateGetPermittedSavedObjectsQueryDSL(
             [WorkspacePermissionMode.Read, WorkspacePermissionMode.Write],