Sometimes, Excel Online may not work as expected and won’t open files. In such cases, you may get error messages, such as ‘Couldn’t Open the Workbook‘, or ...

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.

If you want to set an expiration date and password when sharing Excel files online, here is how you can do that. It is possible to do both in Excel Online. That said, you do not need to rely on other ...