If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.

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 ...

Fix the "Retrieving Data. Wait a Few Seconds" error in Microsoft Excel with these effective solutions, including deactivating browser extensions, clearing cookies ...

While formatting cells in your Excel spreadsheet if you encounter the “ Too many different cell formats ” error message, the solutions provided in this article will help you fix this error.

An Excel sheet with an arrow indicating where to double-click to change column width. The AutoFit Column Width in Excel's Format drop-down in the Home tab is selected.