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Data Files

Windows Live Messenger

by Microsoft Corporation · opens 10 file types
Windows
Download (windows.microsoft.com)
Verified by Adam B.· reviewed by FE Editorial ·updated Aug 18, 2026
AT A GLANCE
DeveloperMicrosoft Corporation
PlatformsWindows
Opens10 file types
Get it fromwindows.microsoft.com
Download Windows Live Messenger

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10 file types verified
Last reviewed Sep 2026

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What is Windows Live Messenger?

Windows Live Messenger was Microsoft's instant messaging client and the successor to MSN Messenger, allowing users to chat, share files, and make audio and video calls. Microsoft discontinued the service in 2013 and migrated users to Skype.

Files Windows Live Messenger opens

10 formats
Data Files
.WINDOWSLIVECONTACT.UCCAPILOG.MTT.ID2
Misc Files
.JRS.MCO.PLSK
Compressed Files
.MCP
Raster Image Files
.DT2
Executable Files
.PLSC

Click any badge for full per-format details - what it is, how to open it and how to convert it.

Download Windows Live Messenger

SOURCEwindows.microsoft.comofficial site - avoid third-party download portals
PLATFORMSWindows
Download from windows.microsoft.com

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programs & formats

Files Windows Live Messenger opens most

1.JRSExtensible Storage Engine (ESE) reserve transaction log file
2.MCPMSN Content Plus installer file archive
3.WINDOWSLIVECONTACTMicrosoft Live Messenger file
4.UCCAPILOGMicrosoft Windows Live Messenger UCC API log file
5.DT2Microsoft Live Messenger avatar file
6.MTTMicrosoft Messenger saved contact file format

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