Files with mtt suffix may also be very old contact files from some versions of Microsoft (Live) Messanger.

There are 2 other file types using
the MTT file extension!

empty icon.mtt - FastCAM MTO data template

empty icon.mtt - MetadataTouch template

Detailed description

Software that open mtt file

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MTT file extension - Microsoft Messenger saved contact file format

What is mtt file? How to open mtt files?

File extension mtt also appears to have been once used for some kind of contacts file in certain (possibly very old) versions of Microsoft (Live) Messenger.

Unfortunately, no further information about this particular mtt file type could be found.

This mtt file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

The default software associated to open mtt file:

Windows Live Messenger icon

Microsoft Corporation logoWindows Live Messenger  Microsoft Windows software

Company or developer:
Microsoft Corporation

Windows Live Messenger also known as MSN Live Messenger is instant messaging application developed by Microsoft. Live Messenger supports text chat as well as audio and video callings. It was merged with Skype.

Windows Live Messenger for Mac icon

Microsoft Corporation logoWindows Live Messenger for Mac  Apple macOS / Mac OS X software

Company or developer:
Microsoft Corporation

Windows Live Messenger for Mac allows users to communicate or collaborate on the fly, sharing instant messages, presence information, or files across time zones and locales. You can even make audio or video calls with contacts on the Mac or on Windows.

It was eventually merged with Skype, but previous versions are still available for download as part of Windows Essentials.

Help how to open:

Likely only used in the original version of Microsoft Messenger program.

How to convert:

No information about possible conversions for this type of .mtt is known to us at this time.

Find conversions from mtt file:

mtt to ctt

List of software applications associated to the .mtt file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open mtt file, edit mtt file, convert mtt file, view mtt file, play mtt file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting mtt files.

Software that open mtt file - Microsoft Messenger saved contact file format

Programs supporting the exension mtt on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open mtt file action.

Microsoft Windows:

Apple macOS / Mac OS X:

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