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 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 ...

Simplify Excel file sharing and exporting. Learn how to collaborate in the cloud, email files, and manage formats with ease.

This month's monster security patch for Office breaks Excel when it tries to open HTML files, and it seems unlikely Microsoft will fix the problem Excel users are reporting an odd bug in the way Excel ...

If you receive Microsoft Excel cannot access the file error message you can use the following suggestions to resolve the issue. The first thing you should do here is ...

If you frequently use Excel to create and edit spreadsheets on your Mac, you may want to access the same files while you’re on the go with just your iPad. Although Microsoft hasn’t released an iOS ...