Cannot start Microsoft Outlook, Cannot open the Outlook window

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An Electrical Engineer by profession, Kapil is a Microsoft MVP and a Microsoft Content Creator. Please read the entire post & the comments first & create a system restore point before making any changes to your system.

4 Comments

  1. Debby Hanoka

    May I also suggest, before running “outlook.exe /resetnavpane” to run scanpst.exe on your Outlook file (*.PST), clicking “repair” each time, and following the necessary prompts to complete the action. Do that as many times as needed until the Outlook file does not need to be repaired. I have found this to be a very simple fix for my Outlook problems, and also a first course of action before trying other problem solving methods.

    If that does not help start Outlook, then Kapil’s steps in this article (see above ^^^) are the next course of action.

    Thank you.

    Sincerely,
    Debby Hanoka

  2. ^^ Thanks Debby! Of course running “outlook.exe /resetnavpane” is helpful for Outlook users in many scenarios and we hope it helps users in this case too 🙂

  3. Azus Smith

    Quite useful for troubleshooting error “Cannot start Microsoft Outlook. The operation failed”. It seems very beneficial for Outlook users.

    ScanPST.exe is another alternative if problem exists after rectifying settings. I found an useful resource at:

    https://www.thewindowsclub.com/repair-corrupt-outlook-pst-files-inbox-repair-tool-fix

  4. Frederic Marchand

    Worked for me thank you

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