File Extension MCO

.MCO File

File extension: MCO
File type: Wink File


Notes about the MCO file extension:



To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened" (Windows 7) or "How do you want to open this file?" (Windows 10) if you double-click the file. There click on "More apps" and choose a suitable software to view such files on your PC or from email attachments.

The MCO file type is primarily associated with 'MSN Messenger' by MSN. Winks, let you send a Flash-like animation to the screen of the person you're chatting with. Select the Wink to send from a Winks toolbar button in the chat window. (Often very annoying.)

Detailed information for file extension MCO:


Primary association: MSN Messenger
Company: MSN



To change file associations press Windows Key + X and then Apps and Features > Default apps > Choose default apps by file type. Invalid file associations could be the result of underlying issues within your Windows PC.

Technical data

To view technical data on file-extension MCO click this link to expand/hide the additional area.

System Info for File Extension .MCO

The following listing is compiled from the database produced by the 'Associate This!' program, selected data from the main FILExt database and information FILExt collected directly from user systems.

ProgramID: MSN Winks Installer
EXEFile: %ProgramFiles%\MSNTools\MSNWinks\MsnWinks.exe

ProgramID: MCOFileHandler
EXEFile: %ProgramFiles%\MsXLabs\WinksInstaller\WinksInstaller.exe


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