Internet Page Files:   .htm,.html (HTML Page), .asp (Active Server Page), .jsp (Javascript Page).
Printer Files:   .ps (Postscript), .eps (Encapsulated Postscript), .pdf (Portable Document Format).
Source Code Files:   .java (Java), .c (C), .cpp (C++), .h (C/C++ Header File), .vb (Visual Basic), .cs (C#), .py,.pyc (Python), .bat (Batch Script File), .mak,.mk (Makefile).
Binary Machine Language Files:   .exe (Executable File), .dll (Dynamic Link Library), .res (Resource File), .class (Java Byte Code File), .jar (Java Jar File).
Image Files:   .jpg,.jpeg,.jpe (JPEG Image), .gif (GIF File), .tiff,.tif (TIFF File), .tga (Targa File), .bmp (Windows Bitmap File), .ico (Icon File).
Sound Files:   .wav (WAV), .midi,.mid (MIDI), .mp3 (MP3).
Movie Files:   .avi (AVI Movie File), .mpeg,mpg (MPEG Movie File).
Microsoft Application Files:   .mdp (Access), .xls (Excel Worksheet), .ppt (Powerpoint), .app (Visual Foxpro), .db (Database File), .xml (XML File).
Miscelaneous Windows Files:   .ini (Initialization), .config (Configuration), .reg (Registry), .cer (Certificate), .lic (License), .dmp (Crash Dump).
Compressed Files:   .zip (ZIP File), .gz (GZ File), .z (Z File), .tar (TAR File).