If you notice that your Excel files are opening in Notepad, then read this post to learn how to fix the issue. The default behavior of a document or file is to open in the application with which it ...

Some MS Excel users reported Excel is not opening on double-click on their Windows computers, and some other users reported that Excel would open normally but the Excel file would not open. These ...

Microsoft has started looking into a problem that is preventing users from opening some Excel file attachments with non-ASCII ...

Microsoft is working to resolve a known issue that prevents some users from opening Excel email attachments in the new Outlook client.

The cause appears to be the use of non-ASCII characters in file names. Microsoft describes it like so: “Any user may be ...

How to Use Settings to Open Microsoft 365 Files in Desktop Apps Your email has been sent Learn how to use a Microsoft 365 setting that lets you determine whether to work in an online or desktop ...

There is a workaround, though.