.M | MathWorks | Developer Files | MATLAB Source Code File | FMPMD2000 | Unknown Developer |
.M2 | Unknown Developer | Audio Files | PC-98 Game Music File | FMPMD2000 | Unknown Developer |
.M3K | Unknown Developer | Compressed Files | Interactive Digital Content File | Unknown Software | Unknown Developer |
.M3V | Unknown Developer | Audio Files | DJ Mix Pro Playlist | DJ Mix Pro | Unknown Developer |
.M5D | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.M9D | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MAC2 | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MACRO | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MAILBOX | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MAPS | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MARIO | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MAU | Unknown Developer | Uncommon Files | Media Attachment Unit | Unknown Software | Unknown Developer |
.MBL | Vernier Software & Technology | Data Files | Logger Pro Data File | Multi-Batch | Unknown Developer |
.MBZ | Unknown Developer | Plugin Files | Pogoshell NES Emulator Plugin | PogoShell | Unknown Developer |
.MCH | Interscape | Settings Files | Machinery HDR Effects | Unknown Software | Unknown Developer |
.MCV | Visicom Media Inc | Settings Files | ManyCam Effect File | Unknown Software | Unknown Developer |
.MC_ | Unknown Developer | Compressed Files | Musicato Compressed File | Unknown Software | Unknown Developer |
.MD | Various Developers | Developer Files | Markdown Documentation File | mdcd10.arc | Unknown Developer |
.MDL | MathWorks | Data Files | MathWorks Simulink Model | mdl2obj tool | Unknown Developer |
.MD_ | Unknown Developer | Settings Files | Visc15 Adressen Setup File | Unknown Software | Unknown Developer |
.ME | Unknown Developer | Uncommon Files | Temporary Delete Me File | Unknown Software | Unknown Developer |
.ME1 | Unknown Developer | Data Files | 21 Sample Winexam File | Unknown Software | Unknown Developer |
.ME2 | Unknown Developer | Uncommon Files | Uncommon File Extension | Unknown Software | Unknown Developer |
.MEI | Unknown Developer | Uncommon Files | Uncommon File Extension | Unknown Software | Unknown Developer |
.MEK | Unknown Developer | Uncommon Files | Uncommon File Extension | Unknown Software | Unknown Developer |
.MEMORY | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MERLIN | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MESSAGES | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.METAL | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MFC | Unknown Developer | Uncommon Files | Mankind File | Unknown Software | Unknown Developer |
.MFO | Perl Express Group | Data Files | Perl ModInfo Descriptor File | Unknown Software | Unknown Developer |
.MGW | Unknown Developer | Data Files | Microgateway Policy Implementation Data | Microgateway | Unknown Developer |
.MHW | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MICE | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MISC | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MJM | Unknown Developer | Data Files | JDF Data Exchange Format | Unknown Software | Unknown Developer |
.MK8 | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MLI | Unknown Developer | Data Files | Encyclopedia Media List | Unknown Software | Unknown Developer |
.MLTV | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MMV | Sony | Video Files | MicroMV Video File | Unknown Software | Unknown Developer |
.MNW | Unknown Developer | Uncommon Files | Menu File | Unknown Software | Unknown Developer |
.MODEM | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MOJ | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MOUSE | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MP4S | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MP6 | Unknown Developer | Data Files | CS225 MP6 Huffman Encoding Text Data | Unknown Software | Unknown Developer |
.MP_ | Open Source | Audio Files | Mobile Phone Sound File | P2k Commander | Unknown Developer |
.MQF | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MRA | Unknown Developer | Audio Files | VilagRadio Recorded Radio Program | Unknown Software | Unknown Developer |
.MRS | MAIET Entertainment | Game Files | GunZ Game Data File | MRS Decompiler | Unknown Developer |
.MS-LOCKSCREENCOMPONENT-PRIMARY | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MSA | Unknown Developer | Compressed Files | Magic Shadow Archiver Atari Disk Image | Magic Shadow Archiver | Unknown Developer |
.MSB | Oracle Corporation | Data Files | Oracle Binary Message File | Oracle .msb files unpacker | Unknown Developer |
.MSEPUB | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MSG2 | Apple | Data Files | Golden Orchard Apple II CD Rom File | Unknown Software | Unknown Developer |
.MSO | Microsoft Corporation | Data Files | Microsoft Organization Chart Data File | Should Not Be Opened Manually | Unknown Developer |
.MT9 | Electronics and Telecommunications Research Institute | Audio Files | Music 2.0 Song | Unknown Software | Unknown Developer |
.MTC | Make The Cut, LLC | Page Layout Files | Make The Cut! Project | Unknown Software | Unknown Developer |
.MTV | MyMPX.org | Video Files | MTV Video Format File | Unknown Software | Unknown Developer |
.MUK | Unknown Developer | Audio Files | Multak Mini 8162 Encoded Audio Karaoke | Unknown Software | Unknown Developer |
.MUV | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MUZIIC | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MV3 | Unknown Developer | Audio Files | Audio Data | Unknown Software | Unknown Developer |
.MVO | Unknown Developer | Graphic Files | A Graphic File | Unknown Software | Unknown Developer |
.MWR | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |
.MWV | Unknown Developer | Data Files | Media Works Data | Unknown Software | Unknown Developer |
.MW_ | Unknown Developer | Audio Files | Audio Utility Midimach Compressed File | Unknown Software | Unknown Developer |
.MYW | Unknown Developer | Vector Image Files | MyWorld Education Drawing | Unknown Software | Unknown Developer |
.MZF | Unknown Developer | Compressed Files | MediaZip Archive | MediaZip | Unknown Developer |
.M_S | Unknown Developer | Uncommon Files | Unknown File Type | Unknown Software | Unknown Developer |