MCO File Type

- The quick facts

What are MCO files and how to open them

Are you having problems opening a MCO file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a MCO file?

Files with the .mco extension are used by the Windows Live Messenger instant messaging application. Windows Live Messenger allows users to communicate in real-time via online instant messaging technology. The MCO files used by this software contain flash-based animations that are similar to emoticons, but are animated and much larger in size. These files are commonly referred to as Winks.

How to open MCO files

Important: Different programs may use files with the MCO file extension for different purposes, so unless you are sure which format your MCO file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 7 different MCO openers which you will find listed below.

Last updated: July 13, 2020

Suggest another file format using extension MCO

While we know of one file format using the .MCO file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .MCO file.

Various apps that use files with this extension

These apps are known to open certain types of MCO files. Remember, different programs may use MCO files for different purposes, so you may need to try out a few of them to be able to open your specific file.

MSN Winks InstallerMSN Winks InstallerUser submitted
CodeReader GUI ApplicationCodeReader GUI ApplicationUser submitted
Matrox InspectorMatrox InspectorUser submitted
Messenger Jump! MSN Winks InstallerMessenger Jump! MSN Winks InstallerUser submitted
Windows Live MessengerWindows Live MessengerUser submitted
MSN content crazy showMSN content crazy showUser submitted
SymbolSymbolUser submitted
We have not verified any software that we know for certain will work with MCO-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with MCO-files. If you know one, please use the 'Suggest a program' link below and tell us about it!