A daily updated filename extension database!

CMM file extension

The table below provides useful information about the .cmm file extension. It answers questions such as:

  • What is the .cmm file?
  • What program do I need to open a .cmm file?
  • How can the .cmm file be opened, edited or printed?
  • How can I convert .cmm files to another format?

We hope you find this page helpful and a valuable resource!

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

✅ Corel Multimedia Manager v7 Album

CMM file is a Corel Multimedia Manager v7 Album.
CMM format description not yet available
Category: Data files
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
CMM aliases:
CMM related links:
CMM related extensions:
Corel Multimedia Manager v6 Album

Corel Mosaic 5.0 Library

Corel Mosaic 5.0 Catalogue

Other types of files may also use the .cmm file extension.

🚫 The .cmm file extension is often given incorrectly!

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

cml, cm, chm, xmm, smm, mcm, cnm, cmj, ckm, vmm, mm, dmm, cmn, cmk, cmh

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

ProWorx NXT Comment Data
CryptoMailer Encrypted File
Chemical Markup Language File
GTA San Andreas CLEO Custom Mission
Compiled HTML Help
MacMolecule Document
Visual Studio Windows CE Build Settings
CardShop Plus Document
Creation Kit Macro
Matrix Market File

🔴 Can't open a .cmm file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .cmm file association, check the FAQ.

🔴 Can I change the extension of files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .cmm file extension, write to us!

🔴 Rate our CMM page

Please help us by rating our CMM page on a 5-star rating system below. (1 star is poor, 5 star is excellent)

4 of 5 stars (10 votes)
Thanks for voting!
Invalid vote.
Browser: Abbreviation Application Archive Audio Configuration Data Development Disk Image Document Ebook Font Game Data GIS Graphic Malware Multimedia Other Project Scam Unknown Video
This page is available in the following languages: Český Deutsch English Español Suomi Français Magyar Italiano 日本語 Nederlands Norsk Português Român Русский Svensk 中文