PC.net

.xlsm

File Type Excel Open XML Macro-Enabled Spreadsheet IconExcel Open XML Macro-Enabled Spreadsheet
File Format Proprietary (Microsoft)
Usage Referenced by an application; not meant to be opened manually; may run a program or script when opened
Rank ★ ★ ☆  Average
Description

Spreadsheet workbook created with Microsoft Excel that contains embedded macros, which can be executed within the document; based on the new Open XML format used in Office 2007.

Open With
Windows

IconMicrosoft Excel

IconMicrosoft Access

IconCorel Quattro Pro

macOS

IconMicrosoft Excel

Updated 2007
Information from the PC File Extensions Reference
https://pc.net/extensions/file/xlsm
space