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 ...

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 ...

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 ...

You don't necessarily need Microsoft Excel to work with an .xlsx file Reviewed by Ryan Perian This article explains what XLSX ...