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  1. #1
    Senior Member
    Join Date
    Jan 2008
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    667

    Default MS Outlook (365) Stops working

    Happens every few days. Even clicking on the exe doesn't work. Do quick repair and all fixed until the next time.
    Driving me crazy. Any suggestions welcome
    HP Laptop.

  2. #2
    Senior Member 1101's Avatar
    Join Date
    Jan 2008
    Posts
    7,088

    Default Re: MS Outlook (365) Stops working

    Quote Originally Posted by Colpol View Post
    Happens every few days. Even clicking on the exe doesn't work. Do quick repair and all fixed until the next time.
    Driving me crazy. Any suggestions welcome
    HP Laptop.
    general things to try
    try outlook in safe mode : outlook.exe /s . If that works, remove (not disable) outlook comm addins (in settings)
    Full repair (not quick repair)
    Uninstall & re-install
    delete the outlook profile & start again : resetup
    set Outlook to uncached mode . If you have ALOT of email (say 15G + ) , that sometimes causes issues with syncing/downloading from 365. If uncached fixes it, it often means OST or profile corruption

    Uninstall any 3rd party AV or internet security
    run a full surface scan on the HD
    check internet speed, check for micro outages in internet .
    If using wifi , try connecting via ethernet cable

  3. #3
    Junior Member
    Join Date
    Nov 2020
    Posts
    1

    Default Re: MS Outlook (365) Stops working

    To add to a previous post, I also recommend you to check it for viruses and restore a version of your outlook that worked fine. Also, I think you'll need a backup option for it as well. Because that sounds like a potential data loss situation to me.

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