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.

XLS is the default file type for Microsoft Office Excel files. It is compatible with nearly all programs that read spreadsheet files. If you are looking to manage your spreadsheets while you're on the ...

Spreadsheets: love them or hate them, they are a part of modern-day life and Microsoft’s Excel software is the go-to for most users spreadsheet needs. But what happens when you want to edit a ...

QUESTION: A while back, I installed a shareware program called 602 pc suite 2000. The program must have altered the way I log into Windows Explorer to read my Microsoft Excel files. When I do so, I'm ...

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 ...