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Cannot get in my Outlook for Mac

Karen Williams 0 Reputation points
2026-04-07T16:18:27.7366667+00:00

While in my Outlook for Mac -- I got a prompt to repair files. Upon clicking that I received another message to free up space. However I cannot get back into Outlook to free up space. So I am essentially locked out of outlook and cannot access anything.

Outlook | MacOS | Legacy Outlook for Mac | For home
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  1. Karen Williams 0 Reputation points
    2026-04-09T12:48:52.2066667+00:00

    Alice-N,

    I had not seen it. Thank you for following up. Your response sounds exactly like the problem I am experiencing. That is reassuring because I had no idea how to explain it. Your translation/interpretation skills are amazing.

    I will try both options.


  2. Alice-N 9,205 Reputation points Microsoft External Staff Moderator
    2026-04-08T04:39:46.1766667+00:00

    Hi Karen Williams

    I understand that in Legacy Outlook for Mac (For home) you were prompted to repair files, then prompted to free up space, and now Outlook won’t open so you can’t access anything. 

    What you’re seeing is consistent with Outlook needing enough free disk space to complete database/repair work. Rebuilding/repairing can require free space for both the current database and a copy; if there isn’t sufficient free disk space, the repair/rebuild can fail.  

    Try these steps: 

    • Free up Mac disk space outside Outlook, then relaunch Outlook 
      • Since Outlook can’t open, free space from macOS first (for example, remove/move large files, empty Trash), then restart the Mac and try launching Outlook again. This is necessary because the repair process may need additional free disk space to complete.  
    • If Outlook still won’t open: create a fresh Outlook profile using Outlook Profile Manager (does not require opening Outlook first) 
      • Open Finder > Applications 
      • Right‑click Microsoft Outlook > Show Package Contents 
      • Open Contents > SharedSupport and launch Outlook Profile Manager 
      • Create a new profile, set it as default, then restart Outlook  

    Please tell me how it goes. If the problem persists, please don’t hesitate to reply to this thread and I will be happy to help. Have a lovely day!   

    If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".    

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