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Power Platform Community / Forums / Power Automate / How to Avoid Microsoft...
Power Automate
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How to Avoid Microsoft login Pop-up and “Launch Excel” Getting Stuck ?

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When I try to launch Excel using Power Automate Desktop, the following occurs:
A pop-up window appears, asking me to enter my Microsoft account information.
Even if I manually close the pop-up, the "Launch Excel" action often fails to trigger properly—instead of throwing an error, it gets stuck and cannot proceed.

When I open the file manually, everything works normally. The file opens and can be edited without any pop-ups.

The file is about 70 MB in size. Could this be related to the file size?
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  • Suggested answer
    eetuRobo Profile Picture
    4,565 Super User 2026 Season 1 on at
    The file is about 70 MB in size. Could this be related to the file size?

    I haven't experienced that even with big Excels. Try with a smaller test excel to see if you can open the Excel without the popup with "Launch Excel" -action


    Sounds like for some reason when you open the Excel with PAD it is not logged in to excel. 

    Workaround could be to open the excel file with Power Shell script and then when the excel has opened "Attach to running Excel"


    PowerShell script:

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