Forum Discussion
New Teams - unable to open a new Excel file created in Teams. Invalid file format
HelloRob Butterworth
Thank you very much for your response, then try to clear Teams app caches and revert with the behavior.
Windows:
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Close Outlook and other apps that have integrated features with Teams, go to File Explorer and type %appdata%\Microsoft\teams. Then delete the following files. You can move the files to another place to avoid the data loss:
· In Application Cache -> Cache folder, delete all files in it.
· In Blob_storage folder, delete all files.
· In Cache folder, delete all files.
· In databases folder, delete all files.
· In GPUCache folder, delete all files.
· In IndexedDB folder, delete the .db file.
· In Local Storage folder, delete all files.
· In tmp folder, delete all files.
· Delete the file “settings".
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- Thanks, doesn't help.
I have just has a response from MS support that this is a known bug in the new Teams, which will be fixed at some point, and the workaround until then is to initially open the file in Teams or on the web, close it, then reopen it in Excel and it will work. Hardly slick, but ok.- It did work for some files, but not for all of them. Something that worked for me was to sync the files with the file explorer, all files would open from there.
Will be using it until Microsoft fixes this bug.
