| lmk | Sprint-Layout Macro File |
| lml | Log Markup Language Document |
| lmlm | Lucas Mod Launcher Mods Data |
| lmlpack | Kashmir 3D LML Package |
| lmp | Avantes Avasoft v8 Intensity Calibration Data |
| lmp | Luminar Individual Look Data |
| lmq | LinMailPro Queue Data |
| lmr | Intuit Quickbooks Loan Manager Data |
| lmr | Sothink Logo Maker Resource Data |
| lms | Light-O-Rama Musical Sequence |
| lmtbackup | LetMeTalk Profile Backup |
| lmx | Nokia Landmark Exchange File |
| lmx | VB Language Manager Pro Export Data |
| ln4 | Garmin Vivoactive 4 Language Data |
| ln9 | PADS Layout Library 2D Lines Data |
| lna | Xilinx ISE LNA Data |
| lng | Adobe RoboHelp Language Data |
| lng | AVG Language Data |
| lngx | KeePass v2 Language Data |
| lnm | Corel WordPerfect SGML Alias Data |
| lnml | LonWorks LON XML File |
| lns | AVG Language Data |
| lo1 | Pervasive DataExchange Log |
| lo2 | Pervasive DataExchange Log |
| lo3 | Pervasive DataExchange Log |
| lo4 | Pervasive DataExchange Log |
| lo5 | Pervasive DataExchange Log |
| loa | MAXQDA Saved Formula |
| loaded_0 | JavaScript Cache Data |
| loaded_1 | JavaScript Cache Data |
| loaded_2 | JavaScript Cache Data |
| loaded_3 | JavaScript Cache Data |
| loaders | GTK+ Loaders Data |
| lob | IBM DB2 Large Object Data |
| lob | Orgadata LogiKal Object |