| lily | PCSX2 LilyPad Configuration |
| lir | ADI Ocelot Configuration |
| list | APT Package Resource List |
| lks | WinAMP Links |
| lnst | Adobe InDesign Line Presets |
| loaders | GTK+ Loaders |
| lr | Chaos Desktop Layer Settings |
| lrsmcol | Adobe Photoshop Lightroom Smart Collection Settings |
| lsv | Light-O-Rama Preferences |
| lxc | Linux Containers Configuration |
| lxcp | LCARS x32 Color Profile |
| m4l | Sage MAS 90 Panel Settings |
| mailhost | MSN Mailhost Settings |
| mal | MadAppLauncher Configuration |
| mbc | ModBus Configuration File |
| mbxcfg | Molebox Configuration Data |
| mca | Massive Midi Setup |
| mce | Sixense MotionCreator Game Profile |
| mch | Machinery HDR Effects Settings |
| mcr | DataCAD Keyboard Macro |
| mcs | ModelCHECK Start Config |
| mgk | ImageMagick Configuration |
| mhc | MPLAB Harmony Configuration File |
| milk | WinAmp MilkDrop Plugin Preset |
| mkp | Cinestar Remote Control Configuration |
| mmdc | MediaMonkey Device Profile |
| mmg | Mkvmerge GUI Preferences |
| mpdconf | Music Player Daemon |
| mps | Casio WK-3000 Music Presets |
| msn | Host Blocking File |
