How to Convert XLSM to XLS. Microsoft went to the Open XML Format for its Office documents beginning in 2007. The Open XML format files are smaller than previous file formats. An Excel Workbook ...

This article explains what XLSX files are, how to open them, and which programs are able to convert them to other spreadsheet formats like CSV or ODS.

All the Latest Game Footage and Images from Arena.Xlsm Arena.Xlsm is a turn-based RPG made entirely in Microsoft Excel using macros. Your boss just pulled you into another surprise meeting. You ...