diff --git a/src/index.js b/src/index.js
index b370b86..8e1de48 100644
--- a/src/index.js
+++ b/src/index.js
@@ -1,5 +1,6 @@
 import plugin from 'tailwindcss/plugin'
 import flattenColorPalette from 'tailwindcss/lib/util/flattenColorPalette'
+import {msoBorderColors} from './msoColors.js'
 
 const tailwindCssMsoPlugin = plugin.withOptions(
   function (options = {}) {
@@ -617,6 +618,132 @@ const tailwindCssMsoPlugin = plugin.withOptions(
           respectImportant,
         }
       )
+
+      // mso-border colors
+      matchUtilities(
+        {
+          'mso-border-alt': value => ({
+            'mso-border-alt': value
+          }),
+          'mso-border-between': value => ({
+            'mso-border-between': value
+          }),
+          'mso-border-bottom-alt': value => ({
+            'mso-border-bottom-alt': value
+          }),
+          'mso-border-left-alt': value => ({
+            'mso-border-left-alt': value
+          }),
+          'mso-border-right-alt': value => ({
+            'mso-border-right-alt': value
+          }),
+          'mso-border-top-alt': value => ({
+            'mso-border-top-alt': value
+          }),
+        },
+        {
+          values: {
+            ...msoBorderColors,
+            ...flattenColorPalette(theme('colors')),
+
+          },
+          respectImportant,
+        }
+      )
+
+      // mso-border widths
+      matchUtilities(
+        {
+          'mso-border-between-width': value => ({
+            'mso-border-between-width': value
+          }),
+          'mso-border-width-alt': value => ({
+            'mso-border-width-alt': value
+          }),
+          'mso-border-bottom-width-alt': value => ({
+            'mso-border-bottom-width-alt': value
+          }),
+          'mso-border-left-width-alt': value => ({
+            'mso-border-left-width-alt': value
+          }),
+          'mso-border-right-width-alt': value => ({
+            'mso-border-right-width-alt': value
+          }),
+          'mso-border-top-width-alt': value => ({
+            'mso-border-top-width-alt': value
+          }),
+        },
+        {
+          values: {
+            medium: 'medium',
+            thick: 'thick',
+            thin: 'thin',
+            ...theme('spacing'),
+          },
+          respectImportant,
+        }
+      )
+
+      // mso-border-*-source
+      matchUtilities(
+        {
+          'mso-border-bottom-source': value => ({
+            'mso-border-bottom-source': value
+          }),
+          'mso-border-left-source': value => ({
+            'mso-border-left-source': value
+          }),
+          'mso-border-right-source': value => ({
+            'mso-border-right-source': value
+          }),
+          'mso-border-top-source': value => ({
+            'mso-border-top-source': value
+          }),
+        },
+        {
+          values: {
+            auto: 'auto',
+            background: 'background',
+            foreground: 'foreground',
+
+          },
+          respectImportant,
+        }
+      )
+
+      // mso-border-shadow
+      matchUtilities(
+        {
+          'mso-border-shadow': value => ({
+            'mso-border-shadow': value
+          }),
+        },
+        {
+          values: {
+            no: 'no',
+            yes: 'yes',
+
+          },
+          respectImportant,
+        }
+      )
+
+      // mso-border-effect
+      matchUtilities(
+        {
+          'mso-border-effect': value => ({
+            'mso-border-effect': value
+          }),
+        },
+        {
+          values: {
+            '3d': '3d',
+            box: 'box',
+
+          },
+          respectImportant,
+        }
+      )
     }
   }
 )
diff --git a/src/index.test.js b/src/index.test.js
index 8b4c26a..91a0685 100644
--- a/src/index.test.js
+++ b/src/index.test.js
@@ -898,3 +898,261 @@ test('mso-element-frame-{v|h}space', () => {
     `)
   })
 })
+
+test('mso-border colors', () => {
+  const config = {
+    content: [{
+      raw: String.raw`
+        <div class="mso-border-alt-[#ffcc00]"></div>
+        <div class="mso-border-alt-auto"></div>
+        <div class="mso-border-alt-red-200"></div>
+
+        <div class="mso-border-between-[#ffcc00]"></div>
+        <div class="mso-border-between-auto"></div>
+        <div class="mso-border-between-red-200"></div>
+
+        <div class="mso-border-bottom-alt-[#ffcc00]"></div>
+        <div class="mso-border-bottom-alt-auto"></div>
+        <div class="mso-border-bottom-alt-red-200"></div>
+
+        <div class="mso-border-left-alt-[#ffcc00]"></div>
+        <div class="mso-border-left-alt-auto"></div>
+        <div class="mso-border-left-alt-red-200"></div>
+
+        <div class="mso-border-right-alt-[#ffcc00]"></div>
+        <div class="mso-border-right-alt-auto"></div>
+        <div class="mso-border-right-alt-red-200"></div>
+
+        <div class="mso-border-top-alt-[#ffcc00]"></div>
+        <div class="mso-border-top-alt-auto"></div>
+        <div class="mso-border-top-alt-red-200"></div>
+      `
+    }],
+  }
+
+  return run(config).then(result => {
+    expect(result.css).toMatchCss(String.raw`
+      .mso-border-alt-\[\#ffcc00\] {
+        mso-border-alt: #ffcc00
+      }
+      .mso-border-alt-auto {
+        mso-border-alt: auto
+      }
+      .mso-border-alt-red-200 {
+        mso-border-alt: #fecaca
+      }
+
+      .mso-border-between-\[\#ffcc00\] {
+        mso-border-between: #ffcc00
+      }
+      .mso-border-between-auto {
+        mso-border-between: auto
+      }
+      .mso-border-between-red-200 {
+        mso-border-between: #fecaca
+      }
+
+      .mso-border-bottom-alt-\[\#ffcc00\] {
+        mso-border-bottom-alt: #ffcc00
+      }
+      .mso-border-bottom-alt-auto {
+        mso-border-bottom-alt: auto
+      }
+      .mso-border-bottom-alt-red-200 {
+        mso-border-bottom-alt: #fecaca
+      }
+
+      .mso-border-left-alt-\[\#ffcc00\] {
+        mso-border-left-alt: #ffcc00
+      }
+      .mso-border-left-alt-auto {
+        mso-border-left-alt: auto
+      }
+      .mso-border-left-alt-red-200 {
+        mso-border-left-alt: #fecaca
+      }
+
+      .mso-border-right-alt-\[\#ffcc00\] {
+        mso-border-right-alt: #ffcc00
+      }
+      .mso-border-right-alt-auto {
+        mso-border-right-alt: auto
+      }
+      .mso-border-right-alt-red-200 {
+        mso-border-right-alt: #fecaca
+      }
+
+      .mso-border-top-alt-\[\#ffcc00\] {
+        mso-border-top-alt: #ffcc00
+      }
+      .mso-border-top-alt-auto {
+        mso-border-top-alt: auto
+      }
+      .mso-border-top-alt-red-200 {
+        mso-border-top-alt: #fecaca
+      }
+    `)
+  })
+})
+
+test('mso-border widths', () => {
+  const config = {
+    content: [{
+      raw: String.raw`
+      <div class="mso-border-between-width-20"></div>
+      <div class="mso-border-between-width-[10px]"></div>
+        <div class="mso-border-between-width-thin"></div>
+
+        <div class="mso-border-bottom-width-alt-20"></div>
+        <div class="mso-border-bottom-width-alt-[10px]"></div>
+        <div class="mso-border-bottom-width-alt-thin"></div>
+
+        <div class="mso-border-left-width-alt-20"></div>
+        <div class="mso-border-left-width-alt-[10px]"></div>
+        <div class="mso-border-left-width-alt-thin"></div>
+
+        <div class="mso-border-right-width-alt-20"></div>
+        <div class="mso-border-right-width-alt-[10px]"></div>
+        <div class="mso-border-right-width-alt-thin"></div>
+
+        <div class="mso-border-top-width-alt-20"></div>
+        <div class="mso-border-top-width-alt-[10px]"></div>
+        <div class="mso-border-top-width-alt-thin"></div>
+
+        <div class="mso-border-width-alt-20"></div>
+        <div class="mso-border-width-alt-[10px]"></div>
+        <div class="mso-border-width-alt-thin"></div>
+      `
+    }],
+  }
+
+  return run(config).then(result => {
+    expect(result.css).toMatchCss(String.raw`
+      .mso-border-between-width-20 {
+        mso-border-between-width: 5rem
+      }
+      .mso-border-between-width-\[10px\] {
+        mso-border-between-width: 10px
+      }
+      .mso-border-between-width-thin {
+        mso-border-between-width: thin
+      }
+
+      .mso-border-bottom-width-alt-20 {
+        mso-border-bottom-width-alt: 5rem
+      }
+      .mso-border-bottom-width-alt-\[10px\] {
+        mso-border-bottom-width-alt: 10px
+      }
+      .mso-border-bottom-width-alt-thin {
+        mso-border-bottom-width-alt: thin
+      }
+
+      .mso-border-left-width-alt-20 {
+        mso-border-left-width-alt: 5rem
+      }
+      .mso-border-left-width-alt-\[10px\] {
+        mso-border-left-width-alt: 10px
+      }
+      .mso-border-left-width-alt-thin {
+        mso-border-left-width-alt: thin
+      }
+
+      .mso-border-right-width-alt-20 {
+        mso-border-right-width-alt: 5rem
+      }
+      .mso-border-right-width-alt-\[10px\] {
+        mso-border-right-width-alt: 10px
+      }
+      .mso-border-right-width-alt-thin {
+        mso-border-right-width-alt: thin
+      }
+
+      .mso-border-top-width-alt-20 {
+        mso-border-top-width-alt: 5rem
+      }
+      .mso-border-top-width-alt-\[10px\] {
+        mso-border-top-width-alt: 10px
+      }
+      .mso-border-top-width-alt-thin {
+        mso-border-top-width-alt: thin
+      }
+
+      .mso-border-width-alt-20 {
+        mso-border-width-alt: 5rem
+      }
+      .mso-border-width-alt-\[10px\] {
+        mso-border-width-alt: 10px
+      }
+      .mso-border-width-alt-thin {
+        mso-border-width-alt: thin
+      }
+    `)
+  })
+})
+
+test('mso-border-{bottom|left|right|top}-source', () => {
+  const config = {
+    content: [{
+      raw: String.raw`
+        <div class="mso-border-bottom-source-auto"></div>
+        <div class="mso-border-left-source-auto"></div>
+        <div class="mso-border-right-source-auto"></div>
+        <div class="mso-border-top-source-auto"></div>
+      `
+    }],
+  }
+
+  return run(config).then(result => {
+    expect(result.css).toMatchCss(String.raw`
+      .mso-border-bottom-source-auto {
+        mso-border-bottom-source: auto
+      }
+      .mso-border-left-source-auto {
+        mso-border-left-source: auto
+      }
+      .mso-border-right-source-auto {
+        mso-border-right-source: auto
+      }
+      .mso-border-top-source-auto {
+        mso-border-top-source: auto
+      }
+    `)
+  })
+})
+
+test('mso-border-shadow', () => {
+  const config = {
+    content: [{
+      raw: String.raw`
+        <div class="mso-border-shadow-no"></div>
+      `
+    }],
+  }
+
+  return run(config).then(result => {
+    expect(result.css).toMatchCss(String.raw`
+      .mso-border-shadow-no {
+        mso-border-shadow: no
+      }
+    `)
+  })
+})
+
+test('mso-border-effect', () => {
+  const config = {
+    content: [{
+      raw: String.raw`
+        <div class="mso-border-effect-3d"></div>
+      `
+    }],
+  }
+
+  return run(config).then(result => {
+    expect(result.css).toMatchCss(String.raw`
+      .mso-border-effect-3d {
+        mso-border-effect: 3d
+      }
+    `)
+  })
+})
diff --git a/src/msoColors.js b/src/msoColors.js
new file mode 100644
index 0000000..6d125e8
--- /dev/null
+++ b/src/msoColors.js
@@ -0,0 +1,212 @@
+/* eslint-disable */
+export const msoBorderColors = {
+  'auto': 'auto',
+  'windowtext': 'windowtext',
+  'apples': 'apples',
+  'arched-scallops': 'arched-scallops',
+  'baby-pacifier': 'baby-pacifier',
+  'baby-rattle': 'baby-rattle',
+  'balloons-3-colors': 'balloons-3-colors',
+  'balloons-hot-air': 'balloons-hot-air',
+  'basic-black-dashes': 'basic-black-dashes',
+  'basic-black-dots': 'basic-black-dots',
+  'basic-black-squares': 'basic-black-squares',
+  'basic-thin-lines': 'basic-thin-lines',
+  'basic-white-dashes': 'basic-white-dashes',
+  'basic-white-dots': 'basic-white-dots',
+  'basic-white-squares': 'basic-white-squares',
+  'basic-wide-inline': 'basic-wide-inline',
+  'basic-wide-midline': 'basic-wide-midline',
+  'basic-wide-outline': 'basic-wide-outline',
+  'bats': 'bats',
+  'birds': 'birds',
+  'birds-flight': 'birds-flight',
+  'cabins': 'cabins',
+  'cake-slice': 'cake-slice',
+  'candy-corn': 'candy-corn',
+  'celtic-knotwork': 'celtic-knotwork',
+  'certificate-banner': 'certificate-banner',
+  'chain-link': 'chain-link',
+  'champagne-bottle': 'champagne-bottle',
+  'checked-bar-black': 'checked-bar-black',
+  'checked-bar-color': 'checked-bar-color',
+  'checkered': 'checkered',
+  'christmas-tree': 'christmas-tree',
+  'circles-lines': 'circles-lines',
+  'circles-rectangles': 'circles-rectangles',
+  'classical-wave': 'classical-wave',
+  'clocks': 'clocks',
+  '<color>': '<color>',
+  'compass': 'compass',
+  'confetti': 'confetti',
+  'confetti-grays': 'confetti-grays',
+  'confetti-outline': 'confetti-outline',
+  'confetti-streamers': 'confetti-streamers',
+  'confetti-white': 'confetti-white',
+  'corner-triangles': 'corner-triangles',
+  'coupon-cutout-dashes': 'coupon-cutout-dashes',
+  'coupon-cutout-dots': 'coupon-cutout-dots',
+  'crazy-maze': 'crazy-maze',
+  'creatures-butterfly': 'creatures-butterfly',
+  'creatures-fish': 'creatures-fish',
+  'creatures-insects': 'creatures-insects',
+  'creatures-lady-bug': 'creatures-lady-bug',
+  'cross-stitch': 'cross-stitch',
+  'cup': 'cup',
+  'dash-dot-stroked': 'dash-dot-stroked',
+  'dashed': 'dashed',
+  'dash-large-gap': 'dash-large-gap',
+  'dash-small-gap': 'dash-small-gap',
+  'deco-arch': 'deco-arch',
+  'deco-arch-color': 'deco-arch-color',
+  'deco-blocks': 'deco-blocks',
+  'diamonds-gray': 'diamonds-gray',
+  'dot-dash': 'dot-dash',
+  'dot-dash-slanted': 'dot-dash-slanted',
+  'dot-dot-dash': 'dot-dot-dash',
+  'dotted': 'dotted',
+  'double': 'double',
+  'double-d': 'double-d',
+  'double-diamonds': 'double-diamonds',
+  'double-wave': 'double-wave',
+  'earth-1': 'earth-1',
+  'earth-2': 'earth-2',
+  'eclipsing-squares-1': 'eclipsing-squares-1',
+  'eclipsing-squares-2': 'eclipsing-squares-2',
+  'eggs-black': 'eggs-black',
+  'emboss-3d': 'emboss-3d',
+  'engrave-3d': 'engrave-3d',
+  'fans': 'fans',
+  'film': 'film',
+  'firecrackers': 'firecrackers',
+  'flowers-block-print': 'flowers-block-print',
+  'flowers-daisies': 'flowers-daisies',
+  'flowers-modern-1': 'flowers-modern-1',
+  'flowers-modern-2': 'flowers-modern-2',
+  'flowers-pansy': 'flowers-pansy',
+  'flowers-red-rose': 'flowers-red-rose',
+  'flowers-roses': 'flowers-roses',
+  'flowers-teacup': 'flowers-teacup',
+  'flowers-tiny': 'flowers-tiny',
+  'gems': 'gems',
+  'gingerbread-man': 'gingerbread-man',
+  'gradient': 'gradient',
+  'groove': 'groove',
+  'hairline': 'hairline',
+  'handmade-1': 'handmade-1',
+  'handmade-2': 'handmade-2',
+  'heart-balloon': 'heart-balloon',
+  'heart-gray': 'heart-gray',
+  'hearts': 'hearts',
+  'heebie-jeebies': 'heebie-jeebies',
+  'holly': 'holly',
+  'house-funky': 'house-funky',
+  'hypnotic': 'hypnotic',
+  'ice-cream-cones': 'ice-cream-cones',
+  'inset': 'inset',
+  '<length>': '<length>',
+  'light-bulb': 'light-bulb',
+  'lightning-1': 'lightning-1',
+  'lightning-2': 'lightning-2',
+  'maple-leaf': 'maple-leaf',
+  'maple-muffins': 'maple-muffins',
+  'map-pins': 'map-pins',
+  'marquee': 'marquee',
+  'marquee-toothed': 'marquee-toothed',
+  'medium': 'medium',
+  'moons': 'moons',
+  'mosaic': 'mosaic',
+  'music-notes': 'music-notes',
+  'none': 'none',
+  'northwest': 'northwest',
+  'outset': 'outset',
+  'ovals': 'ovals',
+  'packages': 'packages',
+  'palms-black': 'palms-black',
+  'palms-color': 'palms-color',
+  'paper-clips': 'paper-clips',
+  'papyrus': 'papyrus',
+  'party-favor': 'party-favor',
+  'party-glass': 'party-glass',
+  'pencils': 'pencils',
+  'people': 'people',
+  'people-hats': 'people-hats',
+  'people-waving': 'people-waving',
+  'poinsettias': 'poinsettias',
+  'postage-stamp': 'postage-stamp',
+  'pumpkin-1': 'pumpkin-1',
+  'push-pin-note-1': 'push-pin-note-1',
+  'push-pin-note-2': 'push-pin-note-2',
+  'pyramids': 'pyramids',
+  'pyramids-above': 'pyramids-above',
+  'quadrants': 'quadrants',
+  'ridge': 'ridge',
+  'rings': 'rings',
+  'safari': 'safari',
+  'sawtooth': 'sawtooth',
+  'sawtooth-gray': 'sawtooth-gray',
+  'scared-cat': 'scared-cat',
+  'seattle': 'seattle',
+  'shadowed-squares': 'shadowed-squares',
+  'sharks-teeth': 'sharks-teeth',
+  'shorebird-tracks': 'shorebird-tracks',
+  'short-dash': 'short-dash',
+  'skyrocket': 'skyrocket',
+  'snowflake-fancy': 'snowflake-fancy',
+  'snowflakes': 'snowflakes',
+  'solid': 'solid',
+  'solid-thick': 'solid-thick',
+  'sombrero': 'sombrero',
+  'southwest': 'southwest',
+  'stars': 'stars',
+  'stars-3d': 'stars-3d',
+  'stars-black': 'stars-black',
+  'stars-shadowed': 'stars-shadowed',
+  'stars-top': 'stars-top',
+  'sun': 'sun',
+  'swirligig': 'swirligig',
+  'thick': 'thick',
+  'thick-thin-large-gap': 'thick-thin-large-gap',
+  'thick-thin-medium-gap': 'thick-thin-medium-gap',
+  'thick-thin-small-gap': 'thick-thin-small-gap',
+  'thick-thin-thick-small-gap': 'thick-thin-thick-small-gap',
+  'thin': 'thin',
+  'thin-thick-large-gap': 'thin-thick-large-gap',
+  'thin-thick-medium-gap': 'thin-thick-medium-gap',
+  'thin-thick-small-gap': 'thin-thick-small-gap',
+  'thin-thick-thin-large-gap': 'thin-thick-thin-large-gap',
+  'thin-thick-thin-medium-gap': 'thin-thick-thin-medium-gap',
+  'thin-thick-thin-small-gap': 'thin-thick-thin-small-gap',
+  'three-d-emboss': 'three-d-emboss',
+  'three-d-engrave': 'three-d-engrave',
+  'torn-paper': 'torn-paper',
+  'torn-paper-black': 'torn-paper-black',
+  'trees': 'trees',
+  'triangle-party': 'triangle-party',
+  'triangles': 'triangles',
+  'tribal-1': 'tribal-1',
+  'tribal-2': 'tribal-2',
+  'tribal-3': 'tribal-3',
+  'tribal-4': 'tribal-4',
+  'tribal-5': 'tribal-5',
+  'tribal-6': 'tribal-6',
+  'triple': 'triple',
+  'twisted-lines-1': 'twisted-lines-1',
+  'twisted-lines-2': 'twisted-lines-2',
+  'vine': 'vine',
+  'wave': 'wave',
+  'waveline': 'waveline',
+  'weaving-angles': 'weaving-angles',
+  'weaving-braid': 'weaving-braid',
+  'weaving-ribbon': 'weaving-ribbon',
+  'weaving-strips': 'weaving-strips',
+  'white-flowers': 'white-flowers',
+  'windowtext': 'windowtext',
+  'woodwork': 'woodwork',
+  'x-illusions': 'x-illusions',
+  'zany-triangles': 'zany-triangles',
+  'zig-zag': 'zig-zag',
+  'zig-zag-stitch': 'zig-zag-stitch'
+}
+
+msoBorderColors