[All Hosts] (manifest) Updates to unified manifest Mac support

docs/develop/event-based-activation.md

@@ -1,7 +1,7 @@
 ---
 title: Activate add-ins with events
 description: Learn how to develop an Office Add-in that implements event-based activation.
-ms.date: 03/23/2026
+ms.date: 04/21/2026
 ms.topic: concept-article
 ms.localizationpriority: medium
 ---
@@ -123,7 +123,6 @@ When developing an event-based add-in to run on a Windows client, be mindful of
 The following platforms or features are not yet supported.
 
 - Office on Mac
-- The unified manifest for Microsoft 365
 
 ### Event-based add-in limitations in Outlook on the web and the new Outlook on Windows
 

docs/develop/import-teams-toolkit.md

@@ -2,7 +2,7 @@
 title: Import an add-in project to Microsoft 365 Agents Toolkit
 description: Learn how to import an add-in project to Microsoft 365 Agents Toolkit.
 ms.topic: how-to
-ms.date: 11/06/2025
+ms.date: 04/21/2026
 ms.localizationpriority: medium
 ---
 
@@ -22,7 +22,7 @@ However, we can make some general recommendations.
 >
 > - This article doesn't apply to add-in projects that were created with Visual Studio. Such projects are based on the ASP.NET web application framework and are designed to run on Internet Information Server (IIS). Converting such a project to work in Agents Toolkit would significantly more difficult and is out-of-scope for this article.
 > - Add-in projects in Agents Toolkit must use the [unified manifest for Microsoft 365](unified-manifest-overview.md). If your add-in project uses a feature that isn't yet supported with the unified manifest, then you can't import it to Agents Toolkit unless you first redesign it so that it doesn't use unsupported features.
-> - Currently, add-ins that use the unified manifest can't be sideloaded on a Mac. If your development computer is a Mac, don't import your project into Agents Toolkit until sideloading on the Mac is supported.
+> - Currently, Outlook add-ins that use the unified manifest can't be sideloaded on a Mac. If your development computer is a Mac, don't import an Outlook add-in project into Agents Toolkit until sideloading on the Mac is supported.
 
 There are two basic strategies available.
 

docs/includes/unified-manifest-sideload-restrictions-note.md

@@ -1,4 +1,4 @@
 > [!NOTE]
-> Currently, an add-in that uses the [Unified manifest for Microsoft 365](../develop/json-manifest-overview.md) can't be sideloaded on iPad.
+> Currently, an add-in that uses the [Unified manifest for Microsoft 365](../develop/json-manifest-overview.md) can't be sideloaded on iPad. Outlook add-ins that use the unified manifest can't be sideloaded on Mac, but Excel, PowerPoint, and Word add-ins can be.
 >
-> To sideload an add-in with a unified manifest on Windows and on the web, see [Sideload Office Add-ins that uses the unified manifest for Microsoft 365](../testing/sideload-add-in-with-unified-manifest.md).
+> To sideload an add-in with a unified manifest on Windows, Mac, and the web, see [Sideload Office Add-ins that uses the unified manifest for Microsoft 365](../testing/sideload-add-in-with-unified-manifest.md).

docs/testing/sideload-add-in-with-unified-manifest.md

@@ -1,7 +1,7 @@
 ---
 title: Sideload Office Add-ins that use the unified manifest for Microsoft 365
 description: Test your Office Add-in on Windows by sideloading.
-ms.date: 03/23/2026
+ms.date: 04/21/2026
 ms.localizationpriority: medium
 ---
 
@@ -10,7 +10,7 @@ ms.localizationpriority: medium
 The process of sideloading an add-in that uses the [Unified manifest for Microsoft 365](../develop/json-manifest-overview.md) varies depending on the tool you want to use and on how the add-in project was created.
 
 > [!NOTE]
-> An add-in that uses the unified manifest can be sideloaded on Office on Windows, Version 2304 (Build 16320.20000) or later. Sideloading on Windows has the effect of sideloading to Office on the web too. Currently, it can't be sideloaded on Mac or iPad.
+> An add-in that uses the unified manifest can be sideloaded on Office on Windows, Version 2304 (Build 16320.20000) or later, and on Excel, PowerPoint, and Word on Mac, Version 16.103 (25101427) or later. Sideloading on Windows has the effect of sideloading to Office on the web too. Currently, it can't be sideloaded on iPad or on Outlook on Mac.
 
 ## Sideload add-ins created with the Yeoman generator for Office Add-ins (Yo Office)