diff --git a/extension/src/experiments/columns/paths.ts b/extension/src/experiments/columns/paths.ts
index a113930c28..43b97bca0a 100644
--- a/extension/src/experiments/columns/paths.ts
+++ b/extension/src/experiments/columns/paths.ts
@@ -47,12 +47,13 @@ export const splitColumnPath = (path: string) => {
   if (!fileSegment) {
     return [baseSegment]
   }
+  const cleanFileSegment = fileSegment.replace(/_\d+$/g, '')
   if (!paramPath) {
-    return [baseSegment, fileSegment]
+    return [baseSegment, cleanFileSegment]
   }
   return [
     baseSegment,
-    fileSegment,
+    cleanFileSegment,
     ...paramPath.split(METRIC_PARAM_SEPARATOR).map(decodeColumn)
   ]
 }
diff --git a/extension/src/experiments/index.ts b/extension/src/experiments/index.ts
index cdaa6839f2..759c6ef200 100644
--- a/extension/src/experiments/index.ts
+++ b/extension/src/experiments/index.ts
@@ -1,4 +1,5 @@
-import { Event, EventEmitter, Memento, window } from 'vscode'
+import { join } from 'path'
+import { Event, EventEmitter, Memento, Uri, ViewColumn, window } from 'vscode'
 import { ExperimentsModel } from './model'
 import { pickExperiments } from './model/quickPicks'
 import { pickAndModifyParams } from './model/queue/quickPick'
@@ -15,6 +16,7 @@ import { ExperimentsData } from './data'
 import { askToDisableAutoApplyFilters } from './toast'
 import { Experiment, ColumnType, TableData } from './webview/contract'
 import { SortDefinition } from './model/sortBy'
+import { splitColumnPath } from './columns/paths'
 import { ResourceLocator } from '../resourceLocator'
 import {
   AvailableCommands,
@@ -380,6 +382,18 @@ export class Experiments extends BaseRepository<TableData> {
     )
   }
 
+  private async openParamsFileToTheSide(path: string) {
+    const [, fileSegment] = splitColumnPath(path)
+    await window.showTextDocument(Uri.file(join(this.dvcRoot, fileSegment)), {
+      viewColumn: ViewColumn.Beside
+    })
+    sendTelemetryEvent(
+      EventName.VIEWS_EXPERIMENTS_TABLE_OPEN_PARAMS_FILE,
+      { path },
+      undefined
+    )
+  }
+
   private setupInitialData() {
     const waitForInitialData = this.dispose.track(
       this.onDidChangeExperiments(() => {
@@ -440,6 +454,8 @@ export class Experiments extends BaseRepository<TableData> {
             return this.setExperimentStatus(message.payload)
           case MessageFromWebviewType.HIDE_EXPERIMENTS_TABLE_COLUMN:
             return this.hideTableColumn(message.payload)
+          case MessageFromWebviewType.OPEN_PARAMS_FILE_TO_THE_SIDE:
+            return this.openParamsFileToTheSide(message.payload)
           case MessageFromWebviewType.SORT_COLUMN:
             return this.addColumnSort(message.payload)
           case MessageFromWebviewType.REMOVE_COLUMN_SORT:
diff --git a/extension/src/telemetry/constants.ts b/extension/src/telemetry/constants.ts
index 2fcf7558e1..e8f53dfb07 100644
--- a/extension/src/telemetry/constants.ts
+++ b/extension/src/telemetry/constants.ts
@@ -37,6 +37,8 @@ export const EventName = Object.assign(
     VIEWS_EXPERIMENTS_TABLE_FOCUS_CHANGED:
       'views.experimentsTable.focusChanged',
     VIEWS_EXPERIMENTS_TABLE_HIDE_COLUMN: 'views.experimentsTable.columnHidden',
+    VIEWS_EXPERIMENTS_TABLE_OPEN_PARAMS_FILE:
+      'views.experimentsTable.paramsFileOpened',
     VIEWS_EXPERIMENTS_TABLE_REMOVE_COLUMN_SORT:
       'views.experimentsTable.columnSortRemoved',
     VIEWS_EXPERIMENTS_TABLE_RESIZE_COLUMN:
@@ -196,6 +198,9 @@ export interface IEventNamePropertyMapping {
     path: string
   }
   [EventName.VIEWS_EXPERIMENTS_TABLE_SELECT_COLUMNS]: undefined
+  [EventName.VIEWS_EXPERIMENTS_TABLE_OPEN_PARAMS_FILE]: {
+    path: string
+  }
 
   [EventName.VIEWS_PLOTS_CLOSED]: undefined
   [EventName.VIEWS_PLOTS_CREATED]: undefined
diff --git a/extension/src/test/suite/experiments/index.test.ts b/extension/src/test/suite/experiments/index.test.ts
index 0f179d6b05..f1e32d8adc 100644
--- a/extension/src/test/suite/experiments/index.test.ts
+++ b/extension/src/test/suite/experiments/index.test.ts
@@ -8,7 +8,8 @@ import {
   commands,
   workspace,
   Uri,
-  QuickPickItem
+  QuickPickItem,
+  ViewColumn
 } from 'vscode'
 import { buildExperiments } from './util'
 import { Disposable } from '../../../extension'
@@ -390,6 +391,50 @@ suite('Experiments Test Suite', () => {
       )
     })
 
+    it('should be able to handle a message to open the source params file from a column path', async () => {
+      const { experiments } = setupExperimentsAndMockCommands()
+
+      const mockShowTextDocument = stub(window, 'showTextDocument')
+      const webview = await experiments.showWebview()
+      const mockMessageReceived = getMessageReceivedEmitter(webview)
+      const mockColumnId = 'params:params.yaml_5'
+
+      mockMessageReceived.fire({
+        payload: mockColumnId,
+        type: MessageFromWebviewType.OPEN_PARAMS_FILE_TO_THE_SIDE
+      })
+
+      expect(mockShowTextDocument).to.be.calledOnce
+      expect(mockShowTextDocument).to.be.calledWithExactly(
+        Uri.file(join(dvcDemoPath, 'params.yaml')),
+        {
+          viewColumn: ViewColumn.Beside
+        }
+      )
+    })
+
+    it('should be able to handle a message to open different params files than the default one', async () => {
+      const { experiments } = setupExperimentsAndMockCommands()
+
+      const mockShowTextDocument = stub(window, 'showTextDocument')
+      const webview = await experiments.showWebview()
+      const mockMessageReceived = getMessageReceivedEmitter(webview)
+      const mockColumnId = 'params:params_alt.json_5:nested1.nested2'
+
+      mockMessageReceived.fire({
+        payload: mockColumnId,
+        type: MessageFromWebviewType.OPEN_PARAMS_FILE_TO_THE_SIDE
+      })
+
+      expect(mockShowTextDocument).to.be.calledOnce
+      expect(mockShowTextDocument).to.be.calledWithExactly(
+        Uri.file(join(dvcDemoPath, 'params_alt.json')),
+        {
+          viewColumn: ViewColumn.Beside
+        }
+      )
+    })
+
     it('should be able to handle a message to apply an experiment to workspace', async () => {
       const { experiments, mockExecuteCommand } =
         setupExperimentsAndMockCommands()
diff --git a/extension/src/webview/contract.ts b/extension/src/webview/contract.ts
index eb5b927a3f..4c9fbfc05e 100644
--- a/extension/src/webview/contract.ts
+++ b/extension/src/webview/contract.ts
@@ -14,6 +14,7 @@ export enum MessageFromWebviewType {
   INITIALIZED = 'initialized',
   APPLY_EXPERIMENT_TO_WORKSPACE = 'apply-experiment-to-workspace',
   CREATE_BRANCH_FROM_EXPERIMENT = 'create-branch-from-experiment',
+  OPEN_PARAMS_FILE_TO_THE_SIDE = 'open-params-file-to-the-side',
   REMOVE_COLUMN_SORT = 'remove-column-sort',
   REMOVE_EXPERIMENT = 'remove-experiment',
   RENAME_SECTION = 'rename-section',
@@ -68,6 +69,10 @@ export type MessageFromWebview =
       type: MessageFromWebviewType.HIDE_EXPERIMENTS_TABLE_COLUMN
       payload: string
     }
+  | {
+      type: MessageFromWebviewType.OPEN_PARAMS_FILE_TO_THE_SIDE
+      payload: string
+    }
   | {
       type: MessageFromWebviewType.APPLY_EXPERIMENT_TO_WORKSPACE
       payload: string
diff --git a/webview/src/experiments/components/table/Row.tsx b/webview/src/experiments/components/table/Row.tsx
index d80ba36a89..4a9392e970 100644
--- a/webview/src/experiments/components/table/Row.tsx
+++ b/webview/src/experiments/components/table/Row.tsx
@@ -9,6 +9,7 @@ import { sendMessage } from '../../../shared/vscode'
 import { ContextMenu } from '../../../shared/components/contextMenu/ContextMenu'
 import { MessagesMenu } from '../../../shared/components/messagesMenu/MessagesMenu'
 import { MessagesMenuOptionProps } from '../../../shared/components/messagesMenu/MessagesMenuOption'
+import { pushIf } from '../../../util/array'
 
 const getExperimentTypeClass = ({ running, queued, selected }: Experiment) => {
   if (running) {
@@ -52,10 +53,7 @@ export const RowContextMenu: React.FC<RowProp> = ({
   const contextMenuOptions = React.useMemo(() => {
     const menuOptions: MessagesMenuOptionProps[] = []
 
-    const pushIf = (condition: boolean, options: MessagesMenuOptionProps[]) =>
-      condition && menuOptions.push(...options)
-
-    pushIf(!queued && !isWorkspace && depth > 0, [
+    pushIf(menuOptions, !queued && !isWorkspace && depth > 0, [
       experimentMenuOption(
         id,
         'Apply to Workspace',
@@ -68,7 +66,7 @@ export const RowContextMenu: React.FC<RowProp> = ({
       )
     ])
 
-    pushIf(depth === 1, [
+    pushIf(menuOptions, depth === 1, [
       experimentMenuOption(
         id,
         'Remove',
@@ -78,7 +76,7 @@ export const RowContextMenu: React.FC<RowProp> = ({
 
     const isNotCheckpoint = depth <= 1 || isWorkspace
 
-    pushIf(isNotCheckpoint, [
+    pushIf(menuOptions, isNotCheckpoint, [
       experimentMenuOption(
         id,
         projectHasCheckpoints ? 'Modify and Resume' : 'Modify and Run',
@@ -86,7 +84,7 @@ export const RowContextMenu: React.FC<RowProp> = ({
       )
     ])
 
-    pushIf(isNotCheckpoint && projectHasCheckpoints, [
+    pushIf(menuOptions, isNotCheckpoint && projectHasCheckpoints, [
       experimentMenuOption(
         id,
         'Modify, Reset and Run',
@@ -94,7 +92,7 @@ export const RowContextMenu: React.FC<RowProp> = ({
       )
     ])
 
-    pushIf(isNotCheckpoint, [
+    pushIf(menuOptions, isNotCheckpoint, [
       experimentMenuOption(
         id,
         'Modify and Queue',
diff --git a/webview/src/experiments/components/table/TableHeader.tsx b/webview/src/experiments/components/table/TableHeader.tsx
index 1177b79cf8..bfad394ee7 100644
--- a/webview/src/experiments/components/table/TableHeader.tsx
+++ b/webview/src/experiments/components/table/TableHeader.tsx
@@ -21,6 +21,7 @@ import {
   OnDrop
 } from '../../../shared/components/dragDrop/DragDropWorkbench'
 import { MessagesMenu } from '../../../shared/components/messagesMenu/MessagesMenu'
+import { MessagesMenuOptionProps } from '../../../shared/components/messagesMenu/MessagesMenuOption'
 
 export const ColumnDragHandle: React.FC<{
   disabled: boolean
@@ -197,6 +198,31 @@ export const TableHeader: React.FC<TableHeaderProps> = ({
     })
   }
 
+  const contextMenuOptions: MessagesMenuOptionProps[] = React.useMemo(() => {
+    const menuOptions: MessagesMenuOptionProps[] = [
+      {
+        hidden: !!column.headers,
+        id: 'hide-column',
+        label: 'Hide Column',
+        message: {
+          payload: column.id,
+          type: MessageFromWebviewType.HIDE_EXPERIMENTS_TABLE_COLUMN
+        }
+      },
+      {
+        hidden: column.group !== ColumnType.PARAMS,
+        id: 'open-to-the-side',
+        label: 'Open to the Side',
+        message: {
+          payload: column.id,
+          type: MessageFromWebviewType.OPEN_PARAMS_FILE_TO_THE_SIDE
+        }
+      }
+    ]
+
+    return menuOptions
+  }, [column])
+
   return (
     <TableHeaderCell
       column={column}
@@ -206,28 +232,21 @@ export const TableHeader: React.FC<TableHeaderProps> = ({
       onDragOver={onDragOver}
       onDragStart={onDragStart}
       onDrop={onDrop}
-      menuDisabled={!isSortable}
+      menuDisabled={!isSortable && column.group !== ColumnType.PARAMS}
       menuContent={
         <div>
-          <SortPicker
-            sortOrder={sortOrder}
-            setSelectedOrder={order => {
-              setColumnSort(order)
-            }}
-          />
-          <VSCodeDivider />
-          <MessagesMenu
-            options={[
-              {
-                id: 'hide-column',
-                label: 'Hide Column',
-                message: {
-                  payload: column.id,
-                  type: MessageFromWebviewType.HIDE_EXPERIMENTS_TABLE_COLUMN
-                }
-              }
-            ]}
-          />
+          {isSortable && (
+            <div>
+              <SortPicker
+                sortOrder={sortOrder}
+                setSelectedOrder={order => {
+                  setColumnSort(order)
+                }}
+              />
+              <VSCodeDivider />
+            </div>
+          )}
+          <MessagesMenu options={contextMenuOptions} />
         </div>
       }
     />
diff --git a/webview/src/shared/components/messagesMenu/MessagesMenu.tsx b/webview/src/shared/components/messagesMenu/MessagesMenu.tsx
index 42a3be3e70..f5a68e39c2 100644
--- a/webview/src/shared/components/messagesMenu/MessagesMenu.tsx
+++ b/webview/src/shared/components/messagesMenu/MessagesMenu.tsx
@@ -10,8 +10,10 @@ export interface MessagesMenuProps {
 
 export const MessagesMenu: React.FC<MessagesMenuProps> = ({ options }) => (
   <div role="menu">
-    {options.map((option, i) => (
-      <MessagesMenuOption key={option.id} {...option} index={i} />
-    ))}
+    {options
+      .filter(({ hidden }) => !hidden)
+      .map((option, i) => (
+        <MessagesMenuOption key={option.id} {...option} index={i} />
+      ))}
   </div>
 )
diff --git a/webview/src/shared/components/messagesMenu/MessagesMenuOption.tsx b/webview/src/shared/components/messagesMenu/MessagesMenuOption.tsx
index 2eaf4067b9..bd2bb6c495 100644
--- a/webview/src/shared/components/messagesMenu/MessagesMenuOption.tsx
+++ b/webview/src/shared/components/messagesMenu/MessagesMenuOption.tsx
@@ -7,6 +7,7 @@ export interface MessagesMenuOptionProps {
   id: string
   label: string
   message: MessageFromWebview
+  hidden?: boolean
 }
 
 interface MessagesMenuOptionAllProps extends MessagesMenuOptionProps {
diff --git a/webview/src/util/array.ts b/webview/src/util/array.ts
new file mode 100644
index 0000000000..1f8c5e7ab4
--- /dev/null
+++ b/webview/src/util/array.ts
@@ -0,0 +1,2 @@
+export const pushIf = <T>(array: T[], condition: boolean, elements: T[]) =>
+  condition && array.push(...elements)