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 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 ...

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 ...

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 see the “The file couldn’t open in protected view” error while opening Microsoft Excel, the solutions listed in this post may help you resolve the issue ...

With the right tools, you can save time by previewing a variety of files in Windows 10 or Windows 11 without opening their applications. Your Windows PC may be home to Microsoft Word documents, Excel ...

If you use Microsoft Excel on your Mac, you can save the spreadsheets you create and open them in Numbers, Apple’s spreadsheet app. It’s a handy feature to use in case you can’t access Microsoft’s ...

Spreadsheets created in Apple Numbers can be wondrous things, but opening them in Excel on a Windows PC is something of a headache. It can be done, though, with a little help from iCloud. In this ...