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.

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 ...

Google Docs and Google's Cloud Connect toolbar for Microsoft Office combine to let you do simple editing of Word and Excel files on an iPad without having to pay for a separate app. Dennis O'Reilly ...

How to edit Microsoft Office documents stored on Google Drive Your email has been sent Many organizations that rely on Google Apps also use Microsoft Office applications. Mass conversion of highly ...

Online co-authoring is a service that allows you and your colleagues to work on the same document. Usually, the document auto-saves and the changes made by other co-authors are visible in a few ...

Have you ever sent an Excel file to a colleague, only to realize they couldn’t open it because of compatibility issues? Or perhaps you’ve spent hours perfecting a spreadsheet, only to see its ...