A family of Microsoft spreadsheet software with tools for analyzing, charting, and communicating data
Dear HymaON
Good day! Thank you for posting in Microsoft Community. We are happy to help you.
Based on the error you got, when searching for this error, I found a related case, please check the link below, some community members have provided some suggestion, see if it helps.
Excel TFS Add-In Crashes Connecting to TFS
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Besides, please ensure your Microsoft 365 apps are fully updated, sometime updating Office fixes issue. To check version information, open any Office app, such as Excel or Word, click File>Account, check for the info mentioned under Product Information. The latest version of Current channel is 2106 (Build 14131.20332). For other channel version info, see Update history for Microsoft 365 Apps (listed by date)
If the version is not updated as mentioned in the article, please install updates and check if the issue remains. To know how to install updates, see Install Office updates.
Also, please check if there are any update available for the add-in.
Any updates please feel free to post back. We’re looking forward to your reply and will continue to help you all the time!
Your understanding and patience will be highly appreciated. I hope that you are keeping safe and well!
Sincerely,
Stacey | Microsoft Community Moderator