What is .XLSM file extension?
.XLSM file extension is a known file type. This section of easyfileopener.com tells you everything you need to know about this extension.
Macro-enabled spreadsheet created by Microsoft Excel, a spreadsheet program; contains worksheets of cells arranged by rows and columns as well as embedded macros programmed in the Visual Basic for Applications (VBA) language; saved in the Open XML format introduced in Microsoft Office 2007.
XLSM files are .XLSX files, but with macros enabled. They may be opened with Excel 2007 or later, or by previous versions of Excel with Open XML component support. For security reasons, Excel does not enable macros by default.
NOTE: Excel will not execute macros in XLSX files, even if they contain macro code. They must first be saved as XLSM files.
You can see a list of software programs here on easyfileopener.com that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.