[Outlook] (new Outlook on Windows) Document support for add-ins when main client window is minimized (#5257)

* Add note about minimized window

* Apply suggestion from review

Co-authored-by: Elizabeth Samuel <[email protected]>

---------

Co-authored-by: Elizabeth Samuel <[email protected]>

Author: samantharamon

docs/outlook/one-outlook.md

@@ -1,7 +1,7 @@
 ---
 title: Develop Outlook add-ins for the new Outlook on Windows
 description: Learn how to develop add-ins that are compatible with the new Outlook on Windows.
-ms.date: 06/05/2025
+ms.date: 06/26/2025
 ms.localizationpriority: medium
 ---
 
@@ -73,7 +73,9 @@ To help you install and set up the Outlook desktop client, see [Getting started
 For guidance on how to sideload your add-in, see [Sideload Outlook add-ins for testing](sideload-outlook-add-ins-for-testing.md).
 
 > [!TIP]
-> If you're moving from the classic Outlook client on Windows to the new Outlook client, note that the location of add-ins is different. While add-ins are accessed from the ribbon or app bar in the classic Outlook client, access to add-ins in the new Outlook client depends on whether you're reading or composing a mail item. To learn more, see [Use add-ins in Outlook](https://support.microsoft.com/office/1ee261f9-49bf-4ba6-b3e2-2ba7bcab64c8).
+>
+> - If you're moving from the classic Outlook client on Windows to the new Outlook client, note that the location of add-ins is different. While add-ins are accessed from the ribbon or app bar in the classic Outlook client, access to add-ins in the new Outlook client depends on whether you're reading or composing a mail item. To learn more, see [Use add-ins in Outlook](https://support.microsoft.com/office/1ee261f9-49bf-4ba6-b3e2-2ba7bcab64c8).
+> - In the new Outlook on Windows, you must keep the main client window open to run add-ins (the window can be active or inactive). If the main window is minimized, the add-in will pause or stop working.
 
 ## Debug your add-in