| lfo | Alchemy Low Frequency Oscillator Presets |
| Camel Audio Alchemy Preset |
| lgp | Logitech G15 Gaming Keyboard Profile Data |
| lily | PCSX2 LilyPad Configuration |
| lir | ADI Ocelot Configuration |
| list | APT Package Resource List |
| lkg | HP-UX LKG Configuration |
| lks | WinAMP Links |
| lmms | LMMS Configuration Data |
| lnst | Adobe InDesign Line Presets |
| locr | Mac OS X Location Manager Settings Data |
| lpd | LPD Daemon Print Permissions Data |
| lr | Chaos Desktop Layer Settings |
| lrsmcol | Adobe Photoshop Lightroom Smart Collection Settings |
| lrweb | Adobe Photoshop Lightroom Web Gallery Settings Data |
| lst | GNU GRUB Boot List |
| lsv | Light-O-Rama Preferences |
| luacomp | PlayOn Settings Data |
| lut | XnView LUT Settings Data |
| lvlps | LabVIEW Local Project Settings |
| lvt | Land Surface Verification Toolkit Configuration |
| lxc | Linux Containers Configuration |
| lxcp | LCARS x32 Color Profile |
| m2m | TiMidity++ M2M Settings |
| m4l | Sage MAS 90 Panel Settings |
| mailhost | MSN Explorer Mailhost Settings Data |
| mal | MadAppLauncher Configuration |
| mbc | ModBus Configuration File |
| mblook | Magic Bullet Looks Presets Data |
| mbxcfg | Molebox Configuration Data |
| mca | Massive Midi Setup |
| mccl | Emailer Connection Data |
| mce | Sixense MotionCreator Game Profile |
| mch | Machinery HDR Effects Settings |
| mcolor | Mine-imator Interface Color Settings |
| mcp | Master Compiler Profile |
| mcr | DataCAD Keyboard Macro |
| mcs | ModelCHECK Start Config |
| mcxml | Microsoft Office 2013 XML Settings Data |
| mdcf | MACE Data Configuration |
| mdm | Telix Modem Definition Data |
| mdpf | Mac OS X Modem Preferences Data |
| mdrc | MADRIX DMX Remote Configuration |
| mech | Pro/MECHANICA Settings Data |
| meu | MS-DOS Shell Menu Group Data |
| mgk | GraphicsMagick Configuration |
| ImageMagick Configuration |
| mhc | MPLAB Harmony Configuration File |
| milk | WinAmp MilkDrop Plugin Preset |
| mim | IBus Keyboard Layout Definition |
| mix | Daqarta Mixer Settings |
| mkp | Cinestar Remote Control Configuration |
| mks | MagicKey SmartType Settings Data |
| mkt | Microsoft Visual FoxPro Configuration |
| mm1 | ActiveXperts SMS and MMS Toolkit Settings Data |
| mm4 | Mortgage Minder 4.0 Mortgage Configuration |
| mmdc | MediaMonkey Device Profile |
| mmf | McAfee VirusScan Configuration |
| mmg | Mkvmerge GUI Preferences |
| MKVToolNix Muxing Settings |
| mmpf | CodeWarrior Preferences Data |
| mmrc | MADRIX 2 MIDI Remote Configuration Data |
| mmrx | MADRIX 3 MIDI Remote Configuration Data |
| mnu | MS-DOS Shell Menu |
| TomTom Menu Data |
| mobileconfig | Apple Mobile Configuration |
| moog | Moog Configuration |
| mop7 | Araxis Merge Options Data |
| moverconfig | Mover Configuration Data |
| mozconfig | Mozilla Firefox Configuration Data |
| mpcf | MarketPlace Pro Configuration |
| mpdconf | Music Player Daemon Configuration |
| mpds | MADRIX Plexus Settings Data |
| mps | Casio WK-3000 Music Presets |
| mrc | Transformation Extender Resource Configuration |
| mset | IBM Integration Message Settings Data |
| msn | Host Blocking File |
| mspc | NI Multisim PLD Configuration |
| mspl | RPAS Configuration Data |
| mssh | MSSH Configuration |
