Please ensure the .xls file is not opened in other workbooks, add-ins, or apps. After coming to that conclusion, simply attempt to open the file again in Excel to see if the problem no longer exists.

If Microsoft Excel fails to recognize a file in the XLSX or XLS format, the data contained in the file could be corrupted. When you open a corrupted workbook in Excel, the program should ...

How to Open Excel 2007 Files As Separate Windows. If you work with multiple Excel files over the course of a workday, and especially if you use a dual-monitor setup, you might wonder how you can ...

If done correctly, Microsoft Excel will open the .csv file, and the results will be the same as with the .txt file process.

Q. When I open Excel, I always have to choose Blank workbook. Is there any way to have Excel do this automatically and skip the step of getting the Start screen? Q. I have a folder of Excel files that ...

Learn how to stop Microsoft Office files from opening in your browser. Adjust settings to open files in desktop apps for better workflow. This ...

Learn how to use a Microsoft 365 setting to choose whether to open files in the online or desktop app, giving you full control for each file.