| .$$$ | temporary file (dBASE III) | |
| .$db | temporary file (dBASE IV) | |
| .act | FoxDoc Action Diagrams (FoxPro) | |
| .app | application object file (dBASE Application Generator) | |
| .app | generated application (FoxPro) | |
| .bak | Backup file (dBASE ) | |
| .bar | horizontal bar menu object file (dBASE Application Generator) | |
| .bin | Binary files (dBASE) | |
| .bch | batch process object file (dBASE Application Generator) | |
| .cac | dBASE IV executable when caching on/off (see cachedb.bat) | |
| .cat | catalog (dBASE IV) | |
| .cdx | compound index (FoxPro) | |
| .ch | header file (Clipper 5) | |
| .cht | interface file for ChartMaster (dBASE) | |
| .clp | compiler script file (clip list) (Clipper 5) | |
| .cmd | command (dBASE - Waffle) | |
| .cod | template source file (dBASE Application Generator) | |
| .cpt | encrypted memo file (dBASE) | |
| .crp | encrypted database (dBASE IV) | |
| .ctl | control file (dBASE IV - Aldus Setup) | |
| .ctx | Compound index (Clipper) | |
| .cvt | backup file for CONVERTed database file (dBASE IV) | |
| .db | configuration (dBASE IV - dBFast) | |
| .db$ | temporary file (dBASE) | |
| .db2 | database (dBASE II) | |
| .db3 | database (dBASE III) | |
| .dbf | database file (dBASE III/IV - FoxPro - dBFast - DataBoss) | |
| .dbk | database backup (dBASE IV) | |
| .dbo | compiled program (dBASE IV) | |
| .dbt | FoxBASE+ style memo (FoxPro) | |
| .dbv | Flexmemo (Clip) | |
| .dbt | memo file for database w/same name (dBASE IV - dBFast) | |
| .def | Definitions list (dBASE) | |
| .dif | Data Interchange Format or VisiCal file. Used with APPEND FROM and COPY (dBASE) | |
| .doc | Documentation text file (dBASE Application Generator) | |
| .fil | files list object file (dBASE Application Generator) | |
| .fky | macro file (FoxPro) | |
| .fmo | compiled format file (dBASE IV) | |
| .fmt | format file (dBASE IV - FoxPro - Clipper 5 - dBFast) | |
| .fp | configuration file (FoxPro) | |
| .fpc | catalog (FoxPro) | |
| .fpt | memo (FoxPro) | |
| .fr3 | renamed dBASE III+ form file (dBASE IV) | |
| .frg | uncompiled report file (dBASE IV) | |
| .frm | report file (dBASE IV - Clipper 5 - dBFast) | |
| .fro | compiled report file (dBASE IV) | |
| .frt | report memo (FoxPro) | |
| .frx | report (FoxPro) | |
| .fw2 | Framework spreadsheet or database file (Framework - dBASE) | |
| .fxp | compiled format (FoxPro) | |
| .gen | compiled template (dBASE Application Generator) | |
| .idx | index (many - FoxPro) | |
| .ind | include index (dBASE IV) | |
| .inx | index (Foxbase) | |
| .key | Key macro library (dBASE) | |
| .lbg | label generator data (dBASE IV) | |
| .lbl | label (dBASE IV - Clipper 5 - dBFast) | |
| .lbo | compiled label (dBASE IV) | |
| .lbt | label memo (FoxPro) | |
| .lbx | label (FoxPro) | |
| .ld1 | overlay file (dBASE) | |
| .log | Transaction log file (dBASE) | |
| .mbk | multiple index file backup (dBASE IV) | |
| .mdx | multiple index file (dBASE IV) | |
| .mem | memory variable save file (dBASE IV - FoxPro) | |
| .mnt | menu memo (FoxPro) | |
| .mnx | menu (FoxPro) | |
| .mpr | generated program (FoxPro) | |
| .mpx | compiled menu program (FoxPro) | |
| .ndx | index file (dBASE II - III - IV - dBFast) | |
| .npi | source for DGEN.EXE intepreter (dBASE Application Generator) | |
| .nsx | SIx Driver compound index (SIx Driver) | |
| .ntx | index file (Clipper 5) | |
| .pjt | project memo (FoxPro) | |
| .pjx | project (FoxPro) | |
| .plb | library (FoxPro) | |
| .pll | pre-linked library (Clipper 5) | |
| .plt | pre-linked transfer file (Clipper 5) | |
| .pop | pop-up menu object (dBASE Application Generator) | |
| .ppo | pre-processor output (Clipper 5) | |
| .pr2 | printer driver (dBASE IV) | |
| .pr3 | PostScript printer driver (dBASE IV) | |
| .prf | printer driver (dBASE IV) | |
| .prg | program source (dBASE IV - FoxPro - Clipper 5 - dBFast) | |
| .prs | procedure (dBASE IV) | |
| .prt | Print dump (dBASE) | |
| .prx | compiled program (FoxPro) | |
| .ptb | Print Character Set (dbprint.ptb) | |
| .qbe | saved query (Query By Example) (dBASE IV - Quattro Pro) | |
| .qbo | compiled query (dBASE IV) | |
| .qpr | generated query program (FoxPro) | |
| .qpx | compiled query program (FoxPro) | |
| .qry | query (dBASE IV) | |
| .res | dBASE resources (dBASE IV) | |
| .rpd | Rapid file. Used for IMPORT/EXPORT and from APPEND, FROM and COPY (dBASE) | |
| .sc3 | renamed dBASE III screen mask file (dBASE IV) | |
| .scr | screen - screen snapshot (dBASE IV - Procomm Plus) | |
| .sct | screen memo (FoxPro) | |
| .scx | screen (FoxPro) | |
| .smt | SIx Driver memo file (SIx Driver) | |
| .spr | generated screen program (FoxPro) | |
| .spx | compiled screen program (FoxPro) | |
| .str | structure list object file (dBASE Application Generator) | |
| .t44 | Temporary file for Sort or Index (dBASE IV) | |
| .tbk | memo backup (dBASE IV - FoxPro) | |
| .tvf | table view settings (dBASE) | |
| .upd | update data (dBASE) | |
| .upo | compiled update data (dBASE) | |
| .val | values list object file (dBASE Application Generator) | |
| .vew | view file (Clipper 5, Lotus Approach) | |
| .vue | view (dBASE IV - FoxPro) | |
| .w44 | temporary file for Sort or Index (dBASE) | |
| .wfm | form object (dBASE Form Designer) | |
| .win | window file (FoxPro - dBASE) |