MXT-Datafile-Microsoft-C
MXV-Movie-Edit-Pro-Video-Format-MAGIX
MYB-MYOB-Data-File-MYOB-Technology-Pty-Ltd
MYC-Simply-Safe-Backup-Archive-Joshua-Cannon-Butcher
MYD-Database-diagram-file
MYD-MyDefrag-script
MYD-MySQL-database-data-file
MYD-MySQL-Database-MySQL-AB
MYDOCS-MyDocs-Drop-Target-Microsoft-Corporation
MYDOCS-Send-to-file
MYI-MySQL-Database-3-23-52-Index-File-Header
MYI-MySQL-Database-Index-MySQL-AB
MYI-MySQL-MyISAM-Index-File
MYI-MySQL-MyISAM-tables-index-Header
MYL-MYLAI-Multilingual-Transliteration-Scheme
MYM-MyMenu-Wii-custom-menu-theme-file-Icefire
MYOB-M-Y-O-B
MYO-MYOB-Data-File-MYOB-Technology-Pty-Ltd
MYO-MYOB-data-Header
MYP-Presentation-file-Make-Your-Point
MYR-Melody-Player-Music-File
MYR-Myriad-Harmony-Melody-assistant-music-Header
MYS-Myst-Saved-Game
MYS-Myst-Saved-Game-Cyan-Worlds-Inc
MYT-MyTraffic-X-AI-Aircraft-Traffic-Database-File-BK-simMarket-com
MYV-Myv-Vector-Format-File
MYV-Vivaldi-Studio-score-file
MYW-MyWorld-Education-Drawing
MZ-Binary-format-Map-MazeEdit
MZB-MegaZeux-Board-file
MZC-MOZART-Chord-Dictionary-David-Webber
MZE-Maze-Creator-File
MZE-Text-format-Map-MazeEdit
MZF-MediaZip-compressed-archive-Header
MZF-SHARP-MZ-series-Emulator-File
MZG-Binary-format-Map-Collection-MazeEdit
MZM-MegaZeux-Dynamic-Board-Section
MZ-Mozart-compressed-file
MZ-MOZART-Music-Document-Header
MZP-MAXScript-Zip-Package
MZP-Mozart-Percussion-File
MZP-MOZART-Percussion-File-David-Webber
MZQ-SHARP-MZ-series-Emulator-QuickDisk-File
MZS-SHARP-MZ-series-Emulator-File
MZT-MOZART-template-file
MZT-MOZART-Template-File-David-Webber
MZT-SHARP-MZ-series-emulator-file
MZV-Viewpoint-Media-Player-ZoomView-Titles-Viewpoint-Corporation
MZX-Binary-format-Encrypted-Map-MazeEdit
MZX-MegaZeux-world
TechTarget file types