Excel grays out menu commands for unavailable features or functions. To unlock the grayed-out menus, first review the most common causes, then take the steps necessary make the menu active. By default ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Many of us have come to rely on the Ctrl+Z (Windows) or Cmd+Z (macOS ...

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’re a full-time spreadsheet jockey, or just a casual number-cruncher, you’ve come to know and either love or hate Excel’s interface. Well, your world just changed. Throw away almost everything ...

What if the very tool you rely on for precision and productivity could evolve without disrupting your workflow? For decades, Microsoft Excel has been the backbone of data analysis, yet its growth has ...

Dennis O'Reilly began writing about workplace technology as an editor for Ziff-Davis' Computer Select, back when CDs were new-fangled, and IBM's PC XT was wowing the crowds at Comdex. He spent more ...