diff --git a/types/office-js-preview/index.d.ts b/types/office-js-preview/index.d.ts
index 395c56dab7..355e4abc5c 100644
--- a/types/office-js-preview/index.d.ts
+++ b/types/office-js-preview/index.d.ts
@@ -11856,11 +11856,11 @@ declare namespace Office {
     /**
      * Represents the categories on an item.
      * 
-     * In Outlook, a user can group messages and appointments by using a category to color-code them.
+     * In Outlook, a user can tag messages and appointments by using a category to color-code them.
      * The user defines {@link Office.MasterCategories | categories in a master list} on their mailbox.
      * They can then apply one or more categories to an item.
      *
-     * **Important**: In Outlook on the web, you can't use the API to manage categories on a message in Read mode.
+     * **Important**: In Outlook on the web, you can't use the API to manage categories applied to a message in Compose mode.
      *
      * [Api set: Mailbox 1.8]
      *
@@ -13482,9 +13482,11 @@ declare namespace Office {
     /**
      * Represents the categories master list on the mailbox.
      * 
-     * In Outlook, a user can group messages and appointments by using a category to color-code them.
+     * In Outlook, a user can tag messages and appointments by using a category to color-code them.
      * The user defines categories in a master list on their mailbox. They can then apply one or more categories to an item.
      *
+     * **Important**: In delegate or shared scenarios, the delegate can get the categories in the master list but can't add or remove categories.
+     * 
      * [Api set: Mailbox 1.8]
      *
      * @remarks
@@ -13718,6 +13720,8 @@ declare namespace Office {
         /**
          * Gets an object that provides methods for managing the item's categories.
          *
+         * **Important**: In Outlook on the web, you can't use the API to manage categories on a message in Compose mode.
+         *
          * [Api set: Mailbox 1.8]
          *
          * @remarks
@@ -14859,8 +14863,6 @@ declare namespace Office {
         /**
          * Gets an object that provides methods for managing the item's categories.
          *
-         * **Important**: In Outlook on the web, you can't use the API to manage categories on a message in Read mode.
-         *
          * [Api set: Mailbox 1.8]
          *
          * @remarks
diff --git a/types/office-js/index.d.ts b/types/office-js/index.d.ts
index 4808e476d6..210603bb41 100644
--- a/types/office-js/index.d.ts
+++ b/types/office-js/index.d.ts
@@ -11130,11 +11130,11 @@ declare namespace Office {
     /**
      * Represents the categories on an item.
      * 
-     * In Outlook, a user can group messages and appointments by using a category to color-code them.
+     * In Outlook, a user can tag messages and appointments by using a category to color-code them.
      * The user defines {@link Office.MasterCategories | categories in a master list} on their mailbox.
      * They can then apply one or more categories to an item.
      *
-     * **Important**: In Outlook on the web, you can't use the API to manage categories on a message in Read mode.
+     * **Important**: In Outlook on the web, you can't use the API to manage categories applied to a message in Compose mode.
      *
      * [Api set: Mailbox 1.8]
      *
@@ -12756,9 +12756,11 @@ declare namespace Office {
     /**
      * Represents the categories master list on the mailbox.
      * 
-     * In Outlook, a user can group messages and appointments by using a category to color-code them.
+     * In Outlook, a user can tag messages and appointments by using a category to color-code them.
      * The user defines categories in a master list on their mailbox. They can then apply one or more categories to an item.
      *
+     * **Important**: In delegate or shared scenarios, the delegate can get the categories in the master list but can't add or remove categories.
+     * 
      * [Api set: Mailbox 1.8]
      *
      * @remarks
@@ -12992,6 +12994,8 @@ declare namespace Office {
         /**
          * Gets an object that provides methods for managing the item's categories.
          *
+         * **Important**: In Outlook on the web, you can't use the API to manage categories on a message in Compose mode.
+         *
          * [Api set: Mailbox 1.8]
          *
          * @remarks
@@ -13945,8 +13949,6 @@ declare namespace Office {
         /**
          * Gets an object that provides methods for managing the item's categories.
          *
-         * **Important**: In Outlook on the web, you can't use the API to manage categories on a message in Read mode.
-         *
          * [Api set: Mailbox 1.8]
          *
          * @remarks