Data file used by XLActuary, an Excel add-in used to handle actuarial factor calculations for consulting firms and retirement administration providers; contains mortality rates for both standard and customized tables used by the add-in; used for making statistical calculations.

Theme file used by Motorola mobile phones; stores ringtone, wallpaper, and screensaver settings and can be used for customizing the look and feel of the phone; can be created using Motorola Media Manager.

NOTE: MOTOCAST USB was formerly known as Media Manager and Media Link.

Audio file used by Mult Tracker, a program that allows musicians to play songs by removing vocals or instruments; saves a "backing track," which is a remake of an existing song that splits different musical parts across multiple tracks.

When playing an MTF file, users can adjust the volume of instruments and vocals individually.

Supporting file for a translation memory used by Trados translation software; supports fast translations of words and phrases contained within a translation memory.

A translation memory (TM) includes five file types including MTF, .TMW, .IIX, .MDF, and .MWF files.