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theRealMJ's avatar
theRealMJ
Occasional Reader
Oct 09, 2025

Accessing an App through 'Open in new window' from Teams only opens file error

Hello,

 

I have deleted an Excel file from a SharePoint folder that I don't need anymore. Now, when I try to open Excel 365 from 'Open in new window' in Teams, I don't get to the usual landing page with recent files, options for a new file, etc. but just an error message: 'Sorry, this file has been deleted or moved', referring to the file that I have indeed deleted. 

 

I can access the usual landing page if it's in the Excel 365 window embedded in Teams, but opening the app in a new window is no longer possible. Why would the landing page for opening an app in a new window not be the normal landing page, but just an error message, with no option to open another file, seems counter-intuitive. Does anyone have a solution?

 

Best regards,

MJ

excel
microsoft 365 apps

1 Reply

  • MrCharlesJenkins's avatar
    MrCharlesJenkins
    MCT
    Oct 09, 2025

    This happens because Teams is still trying to open the last file you accessed through the “Open in new window” option, which in your case has been deleted. Instead of opening the Excel home page, Teams is following that old file link and showing the error. To fix it, sign out of Teams, clear the app cache, and restart it, this usually removes the stored reference to the deleted file. If that doesn’t help, try opening Excel directly from the Teams app launcher or through another document, which forces it to create a fresh window. As a last step, updating or reinstalling Teams can also reset the integration with Office apps and get the “Open in new window” option working normally again.

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