.MCT files are Windows Live Messenger data. They are similar to .CAB files. Use WinZip or 7-Zip to open. Windows Live Messenger discontinued in 2013. It moved to Skype.
Common .MCT filenames:
backgrounds.mct contains background images for Messenger.
winks.mct has animated winks.
scenes.mct contains files to create Messenger scenes.
MCT files categorized as audio. Supported by Windows devices. Created by Musicator.com’s MCat program. See website for details.
MCT files work on 1 operating system. Needs different software on each. Below is support summary:
1 platform supports MCT.
Explaining the MCT file and how to open, view, or convert it. We hope the site is useful.
771 formats use MCT extension. Most not compatible. Use different apps for each. Musicator MIDI and MCat created by N/A. Likely from MCat.
1. MCT File Opener
2. MCT File Converter
3. MCT File Viewer
4. MCT File Editor
How to solve common MCT file problems:
1. Determine the cause
2. Open properly
3. Install a supporting program
3.1 Programs supporting MCT
Live Messenger Content .mct file.
Musicator