VC++ 5 Commonly Used File Types
Generally Important Files
| Extension | Common Use |
| .bmp | Bitmap Re-source Files |
| .c | C source files |
| .cpp | C++ source files |
| .cur | Cursor resource files |
| .def | Module definition file for Dll |
| .dlg | Dialog resource files |
| .dsp | Project settings (similar to make file) |
| .dsw | workspace project files |
| .fnt | Font files |
| .h | header files |
| .hpj | Help project file |
| .ico | Icon resource files |
| .idl | Interface Definition Language File |
| .lic | Licence file distributed with licensed com objects |
| .rc | resource text files |
| .rc2 | resource text files |
| .mk | make file |
| .mak | make file |
| .mc | Included message table |
| .rc | Resource script files |
| .reg | registry files |
| .rtf | Rich Text File (source for help files) |
| .tlb | Type library file |
Less Important Files
These files can usually be recreated from other source files. However, this is not always the case. Files should always be archived untill you are sure they are not being used as source files.
| Extension | Common Use |
| .aps | Apstudio file. Binary file used by the local resource files. |
| .bsc | Browser file |
| .clw | Class Wizard file |
| .ilk | Incremental linker file |
| .ncb | This file is a binary file used by ClassView and is specific to the local machine. |
| .opt | workspace options file |
| .pch | pre-compiled headers |
| .pdb | debug info database |
| .plg | Project build log file |
| .res | Resource semi-object file |
| .sbr | Browser info for 1 file combined into .BSC |
| vcp | Visual C++ state file |
-- Frank Dean - 22 Nov 2002