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M: File Extension M - Open M files - M file type info
Files that contain the .m file extension are normally class implementation files. These files are used by soft ...

M2P: File Extension M2P - Open M2P files - M2P file type info
The .m2p file extension can be commonly found in files that contain video and audio data formatted in MPEG-2 t ...

M2T: File Extension M2T - Open M2T files - M2T file type info
The .m2t file extension was created as a digital video file format, which is mainly used for DVBs (digital vid ...

M2TS: File Extension M2TS - Open M2TS files - M2TS file type info
The .m2ts file extension is used to store BDAV MPEG-2 files that can be streamed from Blu-Ray discs in order t ...

M3U: File Extension M3U - Open M3U files - M3U file type info
M3U stands for MP3 URL. Files that contain the .m3u file extension are MP3 playlist files, also commonly refer ...

M3U8: File Extension M3U8 - Open M3U8 files - M3U8 file type info
Files with the .m3u8 file extension contain MP3 playlist files. These files are used by a variety of media app ...

M4A: File Extension M4A - Open M4A files - M4A file type info
Files with a .m4a extension are container files that store audio data. The audio data that is contained in the ...

M4B: File Extension M4B - Open M4B files - M4B file type info
Files that contain the .m4b file extension are used to store audio books that are downloaded from the Apple iT ...

M4P: File Extension M4P - Open M4P files - M4P file type info
Files that contain the .m4p file extension are audio files that have been downloaded from the iTunes Music Sto ...

M4R: File Extension M4R - Open M4R files - M4R file type info
Files that contain the .m4r file extension hold custom ringtones that have been created for the iPhone mobile ...

M4V: File Extension M4V - Open M4V files - M4V file type info
Files with the .m4v file extension are MPEG-4 files. These files contain digital videos that are downloaded fr ...

MAL: File Extension MAL - Open MAL files - MAL file type info
Files that contain the .mal file extension are most commonly associated with the Connect Server. The MAL files ...

MAN: File Extension MAN - Open MAN files - MAN file type info
Files that contain the .man file extension are most commonly associated with the Unix Man utility program. Uni ...

MANIFEST: File Extension MANIFEST - Open MANIFEST files - MANIFEST file type info
Files with the .manifest extension are used to update older Windows programs. These files enable the associate ...

MAP: File Extension MAP - Open MAP files - MAP file type info
The .map file extension is used by computer games that have been created with one of the Quake engines. These ...

MAX: File Extension MAX - Open MAX files - MAX file type info
Files that contain the .max file extension normally contain three-dimensional scenes that have been created by ...

MB: File Extension MB - Open MB files - MB file type info
Files that contain the .mb file extension are most commonly associated with the MapBasic development environme ...

MBB: File Extension MBB - Open MBB files - MBB file type info
Files that contain the .mbb file extension are files that contain MannaBook documents. MannaBook is a classifi ...

MBM: File Extension MBM - Open MBM files - MBM file type info
The .mbm file extension is most commonly associated with bitmap images files. The MBM file format allows a use ...

MBOX: File Extension MBOX - Open MBOX files - MBOX file type info
The .mbox file extension is used for an email-related file type that was developed as an email mailbox contain ...

MBP: File Extension MBP - Open MBP files - MBP file type info
The .mbp file extension is used for an ebook auxiliary file format that was developed by MobiPocket.Com. These ...

MCD: File Extension MCD - Open MCD files - MCD file type info
The .mcd file extension is a 3D graphics and CAD file type that is directly associated with VectorWorks. Vecto ...

MCF: File Extension MCF - Open MCF files - MCF file type info
The .mcf file extension is most commonly used by the MasterCook recipe software programs. Versions 2, 3 and 4 ...

MCF~: File Extension MCF~ - Open MCF~ files - MCF~ file type info
The .mcf~ file extension is basically a data storage file format for various multimedia files. MCF means Media ...

MCMETA: File Extension MCMETA - Open MCMETA files - MCMETA file type info
The .mcmeta file extension is used for an application configuration file format, which was developed by Markus ...

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