If you receive Microsoft Excel cannot access the file error message you can use the following suggestions to resolve the issue. The first thing you should do here is ...
Some Office users have recently experienced “Unknown error trying to lock file” while using Office apps like Excel, Teams, OneDrive, PowerPoint, etc. It’s even ...
XDA Developers on MSN
Sorry, the new Outlook app can't open some Excel attachments, says Microsoft
There is a workaround, though.
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