"Unknown error trying to lock file." when opening file in Excel from SharePoint

Anonymous

One of my users with Win 10 pro (upto date) is having trouble opening files (xlsx and xlsm) from SharePoint in Excel, they are getting the error "Unknown error trying to lock file." They are running Excel 2016, fully up to date. They were not having an issue Friday.

Tried the same files on SharePoint on other computers and did not get the same error. I tried via another user account on the computer that is having trouble and got the same error. I tried an Office repair, quick and full, which did not help. Teams and Outlook are on this computer and are having no trouble. I was also able to open word files on SharePoint with no issue.

I'm a little stymied any help would be greatly appreciated.

Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.

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Anonymous

After run update as picture the issue is resolved,

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Anonymous

Hi All,

Updated, SP525140 was resolved, please check if you still have the issue on your side.

Thanks for your understanding and cooperation! Have a good day.

Sincerely,

Sean | Microsoft Community Moderator

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46 additional answers

Anonymous

2023-03-17T08:47:52+00:00

My manager got the solution already, you guys need to sign out from Microsoft office first then try reopen file again from SharePoint then sign in again. If still got the same error, restart and reopen again the file
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Anonymous

2023-03-16T09:06:03+00:00

How to fix this? We have tried updating the version as pe the thread. And its still not working
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Makapu 92,380 Reputation points Volunteer Moderator

2023-03-15T18:37:57+00:00

This response has been automatically translated. As a result, there may be grammatical errors or strange wording.

I suggest that you can click feedback in the Excel application to directly report this problem to the relevant Excel teams, which can quickly make the comments attract the attention of developers.

You can open Excel and click File>Feedback>click I have a suggestion and write this query to feedback it to the Excel team.

How do I give feedback on Microsoft 365? - Microsoft Support

or

Feedback · Community (microsoft.com)
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