If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .xlsm

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .xlsm file?
  • Which program can create the .xlsm file?
  • Where can you find a description of the .xlsm format?
  • What can convert .xlsm files to a different format?
  • Which MIME-type is associated with the .xlsm extension?
Microsoft Excel 2007 Document .xlsm file icon

Microsoft Excel 2007 Document

The XLSM file is a Microsoft Office Excel 2007 Document with macros.
Category: Document files
Program name: -
Mime-type: application/vnd.openxmlformats
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:
.qbe Corel Quattro Pro Saved Query
.abk Ability Write Document Backup
.wk! Lotus 1-2-3 Worksheet Backup
.dmd Corel Quattro Pro Data Modeling Desktop Data
.wcm Microsoft Works Communication Script

Other types of files may also use the .xlsm file extension. If you have helpful information about .xlsm extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

.xlsl Document Manager Locked Excel Document
.xsm eXtra Simple Music Data
.xls Microsoft Excel Worksheet
.xosm PixInsight Project
.xlm Microsoft Excel Macro Definition
.lsm Zeiss LSM Image

The .xlsm filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

xsm (1), xlsl (1), xlm (1), xosm (1), xls (1), lsm (1)

Can't open a .xlsm file?

If you want to open a .xlsm file on your computer, you just need to have the appropriate program installed. If the .xlsm association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.xlsm

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2016/2019/2022, Windows 7, Windows 8, Windows 10, Windows 11, Linux, Mac OS X, macOS, iOS, Android