| lbxalv | Logos Bible Software Series X Passage in All Versions Data |
| lbxcbv | Logos Bible Software Series X Copy Bible Verses Style |
| lbxcit | Libronix DLS Citation Format Data |
| lbxcmp | Libronix DLS Company Information Data |
| lbxcol | Libronix DLS Resource Collection |
| lbxctb | Libronix DLS Custom Toolbar Data |
| lbxdat | Libronix DLS Data |
| lbxdtp | Libronix DLS Data Type |
| lbxgyq | Libronix DLS Graphical Query |
| lbxlbk | Libronix DLS License Backup |
| lbxlic | Libronix DLS License Data |
| lbxlls | Logos 3 LLS Data |
| lbxnot | Libronix DLS Notes Data |
| lbxoeb | Libronix DLS Resource |
| lbxpdf | Libronix DLS PDF Resource Data |
| lbxpln | Logos Bible Software Series X Bible Reading Plan |
| lbxplp | Logos Bible Software Series X Parallel Passage |
| lbxplv | Logos Bible Software Series X Parallel Bible Versions Data |
| lbxprf | Libronix DLS Preferences Data |
| lbxprl | Logos Bible Software Series X Prayer List |
| lbxras | Libronix DLS Resource Association Data |
| lbxrtp | Libronix DLS Resource Type Data |
| lbxsdg | Logos Bible Software Series X Sentence Diagram |
| lbxshl | Libronix DLS Shell Data |
| lbxvrs | Logos Bible Software Series X Verse List |
| lbxwdl | Libronix DLS Word List |
| lbxwks | Libronix DLS Workspace Data |
| lby | Oracle Documaker Library Data |
| lc | Esko Automation Engine Legacy Contour |
| L0phtCrack Password Database |
| lcb | Concept2 LogCard Backup Image |
| Kodak EasyShare Album List |
| lcd | Abbyy FineReader Dictionary File |
| lcf | ArchiCAD Library Container File |
| lch | PagePath LAUNCH! Data |
| lcl | LISCAD Lite Database |
| lclw | ClarisWorks Art Library |
| lcm | Autodesk Simulation Mechanical Load Curve Multiplier Data |
| Lipikar Custom Map |
| lcn | Corel WordPerfect Dictionary Data |
| Trymedia License Data |
| lcp | FARSITE Landscape Data |
| lcpl | Readium License Document |
| lcs | Act! History Data |
| Alstom MMS LCS Compiler Report |
| L0phtCrack Password Database |
| Light-O-Rama Compressed Sequence File |
| lcv | Radio Mobile Land Cover Data |
| lcx | LC Model |
| ld | Autodesk Simulation Mechanical DDAM Summary Data |
| Corel Paradox Language Driver |
| MoTeC Telemetry Log |
| Telix Long Distance Codes Data |
| ld1 | dBASE IV Overlay File |
| ld2 | Lingoes Compiled Dictionary |
| LogDator Measurement Data |
| ld4 | AccPac Plus Menu Data |
| ld9 | PADS Layout Library CAE Decal Data |
| ldabak | Legistant Encrypted Backup |
| ldata | JSim Line Data Format |
| ldb | Google LevelDB Database |
| Lingoes Dictionary Backup |
| Microsoft Access Database Lock |
| Sybase PowerDesigner Logical Data Model Backup |
| TrueVector Log Database |
| ldc | Steuer 2001 Data File |
| ldd | Laser Dispatch Data File |
| LEGO Digital Designer Data |
| lde | Veeam Explorer Exported Data |
| ldf | Enotate Layered Data Format |
| LDAP Data Interchange Format File |
| Lingoes Dictionary Source |
| LinkOne List Definition Data |
| LogPlot LogDesign File |
| Microsoft SQL Server Transaction Log |
| TriboIndenter Calibration Data |
| ldfx | LogPlot LogDesign XML File |
| ldg | TIBCO Business Studio Ledger Data |
| ldi | LDAP Data Interchange Format File |
| ldif | LDAP Data Interchange Format File |
