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.

How to Find Word & Excel Documents on Your Hard Drive. Word and Excel are part of Microsoft's Office suite of productivity software. If your small business has been using Office for a while ...

Didn't save your Excel workbook on a Mac? Here are four methods for recovering lost or unsaved Excel files on your Mac.