Cannot start Microsoft Office Outlook. Cannot Open the Outlook Window

Published on 30 July 2009 by Nirmal in MS Office Tips

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Today while starting Outlook 2010, it was throwing a strange error, soon after the splash screen it showed this error “Cannot start Microsoft Office Outlook. Cannot Open the Outlook Window”. Even after uninstalling and repairing Outlook 2010 using the Office 2010 set up, the same error occurred. Outlook failed to start even the safe mode when this error occurred (Click CTRL to open Outlook in safe mode).

Outlook 2010

This error is due to the problem with Outlook navigation panel which is failing to start and this could be due to many reasons like improper shutdown of Outlook.

Outlook Error

How to fix this issue:

The fix to this problem depends on the issue with Outlook. You can fix this issue using the methods mentioned below.

1. Open Start menu and Click Run (Windows Key + R) and type Outlook.exe /resetnavpane. Now try opening outlook, if the issue was due to navigation panel, resetting it would solve the issue. If the issue is still not solved, try step 2.

2.  Run the Inbox Repair tool in Outlook- Inbox repair tool (Scanpst.exe) is included in the Office CD and is a tool to repair issues with Inbox personal folder (.pst) files. You can check the Microsoft KB article 272227 for more details on this.

It is most likely that you can solve this issue using Step 1.

Thanks to Microsoft answers for the tip.

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10 Responses to “Cannot start Microsoft Office Outlook. Cannot Open the Outlook Window”

  1. Kate says:
    August 3, 2009 at 9:09 am

    Check out the Office Facebook page for tons of helpful resources to help you use all the features of your Office programs. You can post your questions to the Wall and get help directly from Microsoft!

    http://www.facebook.com/microsoftoffice

    Share your expertise with other Outlook enthusiasts at
    http://www.facebook.com/pages/Microsoft-Outlook/82443952619

    Cheers,
    Kate
    MSFT Office Outreach Team

  2. mz4mz says:
    August 14, 2009 at 4:58 am

    Thank you sooo much for posting this. It worked! Hallelujah!

  3. Zane says:
    August 25, 2009 at 1:12 am

    Thank you for such a nice explanation. I had a problem with Outlook and now it is solved. I had a real big stress as i was scared to loose all my contact information i had in my Outlook. THANK YOU VERY MUCH!!

  4. Bill says:
    August 27, 2009 at 1:38 am

    Thanks so much – there was a problem with another application that frooze the maching when Outlook was open

    This solved it

  5. Tay says:
    August 27, 2009 at 1:09 pm

    Thanks for that, straight after a windows update outlook failed to open, but your reset pane line fixed it,

  6. CHARLES DOAN says:
    August 28, 2009 at 3:30 am

    Thank you SO much for having this information handy. I had that error message come up and I thought it was the end for my outlook and all the emails I had in it. This saved me.

    Thanks!

  7. Jack says:
    September 11, 2009 at 11:01 pm

    Microsoft totally sucks, I went to their website to try to find help on this and Nada without spending 99.00 and that would take 24hrs and via email, or 259.00 and 8 hour wait time. Don’t we pay enough when we buy these products? Anyway enough rant, your fix seems to have done the trick. Thanks…

  8. jagpate says:
    October 7, 2009 at 6:20 pm

    Thank you. Outlook.exe /resetnavpane worked fine. You saved my couplre of hours. :)

  9. Julie says:
    October 25, 2009 at 2:17 am

    The resetnavpane worked! You are a genius. I have been having to access my e-mail through web mail (which is a total pain.)

    Thanks!

  10. Kerli says:
    November 16, 2009 at 10:24 pm

    Yaay! Thanks so much, this was very useful and I got the problem fixed! :)

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