| lid | LabelVision Auto Incrementing Value Data |
| lid | Maple Setup Data |
| lid | Quicken Deluxe Data |
| lid | Scholars Aid Library Backup |
| lid | WinDVD LID Data |
| lidata | LiDAR360 Data |
| lif | Intuit TurboTax Information Archive |
| lif | LEGO Digital Designer Assets Data |
| life | Light Data |
| lig | Afm2pl Ligkern Specifications |
| lig | TSP-INet Server LIG Data |
| lightinglibrary | Corel Painter Lighting Library |
| lightkeyfxt | Lightkey Fixture Data |
| lightwave | Lightwave 3D Layered Object |
| lij | Apple Photos Data |
| lijs | Apple Photos Data |
| lim | LIMP Impedance Data |
| lime | Lattice QCD Interchange Message Encapsulation Data |
| lims | Liquid Injection Molding Simulation Data |
| lin | Autodesk AutoCAD Linetypes |
| lin | Bridge Base Online Hands Data |
| lin | LISCAD Line Styles Data |
| lin | Medlin Payroll Software Current Period Invoice Detail |
| linf | LinF Source Code |
| link | ARIA Link Data |
| link | iPod Link Data |
| link | PSML Link Definition |
| linx | Bridge Base Online Hands Data |
| linx | iPod Links Folder Data |
| lir | CAP42 License Request File |
