Hereafter, you should be able to open the Excel file without any problems. How to fix Excel file format and extension don’t match? To fix the “Excel file format and extension don’t match ...

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

The Open window appears on your screen. Make sure the "All Excel Files" option is selected in the drop-down box next to File Name. Excel may not display the XLS file if another option is selected ...

How to quickly import a .txt or .csv file into Microsoft Excel Your email has been sent We don’t open foreign files with Microsoft Excel—or do we? When importing a .txt or .csv file ...

While it is technically possible to open an Excel file in Notepad, this is not a good idea. Excel files are binary files that contain complex formatting and data structures. When you open an Excel ...

This file is open in Word for the web ... an administrator can make it available. Why are my Word, Excel, or PowerPoint files not opening in their desktop applications? If your files aren ...