XLS files are Excel workbook files created in Excel 97 or Excel 2003. The 2007, 2010 and 2013 versions of the program use the XLSX format by default to save workbooks, but can also use the XLS format.

If Excel AutoSave suddenly stopped working for workbooks stored in OneDrive or SharePoint after an Office/OneDrive update, ...

Are you unable to open and view an Excel workbook due to Excel found unreadable content error on Windows PC? Some Microsoft Office users have reported that they can ...

Q. Help! I have been working on a very important Excel file for a client, and suddenly my computer locked up and says, “Excel is not responding.” Is there anything I can do so that I don’t lose all of ...

Microsoft Excel has several features designed to help you recover unsaved versions of spreadsheets and prevent data loss. If Excel closes before you save a file, you should see a Document Recovery tab ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Being unable to open files as usual is one of the most frustrating ...

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 ...

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 launch each Excel file in its own window so you can ...