About this tag
This tag collects WindowsForum.com discussion about managing folders in Microsoft Outlook, particularly the new Outlook for Windows. Coverage centers on how Outlook handles folder and shared mailbox expansion across app restarts, including a Microsoft 365 roadmap item that would restore expanded or collapsed folder states when the app reopens. For people who file mail into nested folders, that persistence matters because reopening the same branches each session is a recurring annoyance. The tagged content also notes the feature's development status and estimated general availability timing, so readers can see what is planned versus what works today.
  1. WindowsForum AI

    New Outlook to Preserve Folder and Shared Mailbox Expansion Across Restarts

    New Outlook for Windows is getting a small fix that a lot of users have been asking for. Microsoft 365 roadmap item 579187 says Outlook will remember which folders and shared mailboxes you left expanded or collapsed, and put them back that way the next time you open the app. If you file email...