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​Cannot open the Microsoft Outlook window error

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  • ​Cannot open the Microsoft Outlook window error

    When trying to start Outlook, I get the following error;
    “Cannot start Microsoft Outlook. Cannot open the Outlook window.”
    How can I recover and start Outlook again?

  • #2
    You could start with a new e-mail profile, and checking that the e-mail server is online.
    Please remember to award reputation points if you have received good advice.
    I do tend to think 'outside the box' so others may not always share the same views.

    MCITP -W7,
    MCSA+Messaging, CCENT, ICND2 slowly getting around to.


    • #3
      Start (Orb)
      outlook.exe /safe

      Repair Outlook
      Joined: 23rd December 2003
      Departed: 23rd December 2015


      • #4
        While there are various reasons for this to occur, some post Office 2007 Service Pack 2 updates seems to cause this error for certain configurations but it can also occur in Outlook 2003, Outlook 2010 and Outlook 2013.
        In these instances, the configuration file for the Navigation Pane gets corrupted and prevents Outlook from starting successfully.
        To recover, you can start Outlook with the resetnavpane switch;
        • Windows Vista, Windows 7 and Windows 8
          Start-> type; outlook.exe /resetnavpane
        • Windows XP
          Start-> Run; outlook.exe /resetnavpane
        Please note the space between outlook.exe and /resetnavpane.
        While the above method currently applies to most cases where this issue is experienced, as mentioned earlier, there could be other causes for this to happen as well.
        If you are still experiencing the issue read comments here