This table lists the extensions and their associated file types that are used with Visual FoxPro.
| Extension | File type |
| .act | Documenting Wizard action diagram |
| .app | Generated application or Active Document |
| .cdx | Compound index |
| .chm | Compiled HTML Help |
| .dbc | Database |
| .dbf | Table |
| .dbg | Debugger configuration |
| .dct | Database memo |
| .dcx | Database index |
| .dep | Dependency file (created by the Setup Wizard) |
| .dll | Windows Dynamic Link Library |
| .err | Compilation error |
| .esl | Visual FoxPro support library |
| .exe | Executable program |
| .fky | Macro |
| .fll | Visual FoxPro Dynamic Link Library |
| .fmt | Format File |
| .fpt | Table memo |
| .frt | Report memo |
| .frx | Report |
| .fxp | Compiled program |
| .h | Header file (for inclusion in a Visual FoxPro or C/C++ program) |
| .hlp | WinHelp |
| .htm | HTML |
| .idx | Index, compact index |
| .lbt | Label memo |
| .lbx | Label |
| .log | Coverage log |
| .lst | Documenting Wizard list |
| .mem | Variable save |
| .mnt | Menu memo |
| .mnx | Menu |
| .mpr | Generated menu program |
| .mpx | Compiled menu program |
| .ocx | ActiveX control |
| .pjt | Project memo |
| .pjx | Project |
| .prg | Program |
| .qpr | Generated query program |
| .qpx | Compiled query program |
| .sct | Form memo |
| .scx | Form |
| .spr | Generated Screen Program (previous versions of FoxPro only) |
| .spx | Compiled Screen Program (previous versions of FoxPro only) |
| .tbk | Memo backup |
| .txt | Text |
| .vct | Visual class library memo |
| .vcx | Visual class library |
| .vue | FoxPro 2.x view |
| .win | Window file |