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 are used by businesses around the world to organize data, from sales figures to contact information from customers. But disorganization, including extra rows and columns, can make ...

Microsoft Office 365 and Office 2013 have some great new features, including a user interface that makes the venerable productivity suite very usable on tablets. Microsoft, which announced Office 2013 ...

This Excel 2013 Cheat Sheet from CustomGuide covers program fundamentals, as well as essential keyboard shortcuts for navigation, editing and formatting that can make your work go even faster. Excel ...

For some reason, Microsoft has taken to calling the mini-programs that you can install into their Office applications “apps.” Functionally, though, most of these are similar to web browser add-ons — ...

Students in Excel 2013: Level 4-VBA will learn to record simple macros, edit code, and write their own VBA (visual basic for applications) subprocedures. This course provides many examples of macro ...

There are two kinds of Microsoft Excel users in the world: Those who make neat little tables, and those who amaze their colleagues with sophisticated charts, data analysis, and seemingly magical ...

Laptop on Desk office and Graph analysis spreadsheet, Business f This year, Spreadsheet Day falls on Saturday, Oct. 17, a day in which number crunchers worldwide gather around the formula bar, fill ...

Simplify your data transformation by skipping complex parsing expressions and instead using Flash Fill and Power Query in Microsoft Excel. Image: IB Photography/Adobe Stock If you work with imported ...