Add a note regarding VS deprecation (#5454)

* Add a note for VS deprecation

* removed extra >

* add recommendation to note

* Update docs/develop/develop-add-ins-visual-studio.md

Co-authored-by: Rick Kirkham <Rick-Kirkham@users.noreply.github.com>

* Update docs/develop/develop-overview.md

Co-authored-by: Rick Kirkham <Rick-Kirkham@users.noreply.github.com>

---------

Co-authored-by: John Hart <johnhart@microsoft.com.com>
Co-authored-by: Rick Kirkham <Rick-Kirkham@users.noreply.github.com>

Author: 3 people

docs/develop/develop-add-ins-visual-studio.md

@@ -11,7 +11,9 @@ ms.localizationpriority: high
 This article describes how to use Visual Studio to develop an Office Add-in. If you've already created your add-in, you can skip ahead to the [Develop the add-in using Visual Studio](#develop-the-add-in-using-visual-studio) section.
 
 > [!NOTE]
-> As an alternative to using Visual Studio, you may choose to use the Yeoman generator for Office Add-ins and VS Code to create an Office Add-in. For more information about this choice, see [Creating an Office Add-in](../develop/develop-overview.md#create-an-office-add-in).
+> Beginning with Visual Studio 2026, Office Add-in development in Visual Studio is deprecated and will be removed in a future release. Support for Office Add-in development in a different form may be added to a future version of Visual Studio.
+>
+> We recommend creating Office Add-in projects with the Microsoft 365 Agents Toolkit or the Yeoman Generator. For more information, see [Create Office Add-in projects using the Yeoman Generator](../develop/yeoman-generator-overview.md).
 
 ## Create the add-in project using Visual Studio
 

docs/develop/develop-overview.md

@@ -33,6 +33,11 @@ Create your project using HTML, CSS and JavaScript (or TypeScript), or using Rea
 
 ### Visual Studio
 
+> [!NOTE]
+> Beginning with Visual Studio 2026, Office Add-in development in Visual Studio is deprecated and will be removed in a future release. Support for Office Add-in development in a different form may be added to a future version of Visual Studio.
+>
+> We recommend creating Office Add-in projects with the Microsoft 365 Agents Toolkit or the Yeoman Generator. For more information, see [Create Office Add-in projects using the Yeoman Generator](../develop/yeoman-generator-overview.md).
+
 Visual Studio can be used to create Office Add-ins for Excel, Outlook, Word, and PowerPoint. An Office Add-in project gets created as part of a Visual Studio solution and uses HTML, CSS, and JavaScript. For more information about creating add-ins with Visual Studio, see [Develop Office Add-ins with Visual Studio](../develop/develop-add-ins-visual-studio.md).
 
 ### Agents Toolkit