2.
APXL - Keynote Presentation Data File
4.
ASCII - ASCII Text File
5.
ASM - Assembler source code file
6.
ASP - Active Server Page
7.
ASPX - Active Server Page Extended File
8.
AU3 - AutoIt v3 Script
9.
BBS - Bulletin Board System Text
10.
BML - Bean Markup Language File
11.
BSDL - Boundary Scan Description Language File
12.
C - C/C++ Source Code File
13.
CC - C++ Source Code File
14.
CFG - Configuration File
15.
CGI - Common Gateway Interface Script
16.
CHORD - Song Chords File
17.
CONF - Configuration information file
18.
CONF - Generic Configuration File
19.
CPP - C++ Source Code File
20.
CSHTML - ASP.NET Razor Web Page
21.
CSPROJ - Visual Studio C# Project
22.
CSS - Cascading Style Sheet
24.
CXX - C++ Source Code File
25.
DBML - Visual Studio OR Design File
26.
DBPROJ - Visual Studio Database Project File
27.
ETX - Setext Structure Enhanced text file
28.
EXTRA - Mozilla Firefox crash report file
29.
FAQ - Frequently Asked Questions Document
30.
FODP - OpenDocument Flat XML Presentation
31.
FODS - OpenDocument Flat XML Spreadsheet
32.
FODT - OpenDocument Flat XML Document
33.
FSI - Visual F# Signature File
34.
FSPROJ - Visual F# Project File
36.
FSX - Visual F# Script File
37.
H - C/C++/Objective-C Header File
38.
HEX - Hexadecimal Source File
39.
HTM - Hypertext Markup Language File
40.
HTML - Hypertext Markup Language File
42.
IIF - Intuit Interchange Format File
43.
INFO - Generic Information File
44.
INI - Windows Initialization File
45.
ION - File Description File
46.
JAVA - Java Source Code File
47.
JSON - JavaScript Object Notation File
51.
LOL - LOLCODE Source Code FIle
52.
LSP - Lisp Program Source Code File
54.
LST - GRUB Boot List File
55.
LUA - Lua Source File
56.
M - Mathematica Input File
57.
MANIFEST - Windows Application Manifest File
59.
MARKDOWN - Markdown Documentation File
60.
MDOWN - Markdown File
61.
MIT - MineEdit Inventory Template File
62.
MSCX - MuseScore Music Score File
63.
NFO - Warez Information File
66.
OPML - Outline Processor Markup Language File
67.
OSC - Remote Installation Services client installation wizard file
68.
PAS - Pascal Source File
69.
PML - PADGen program information file
73.
PVJ - ProofVision Job Ticket
75.
QDT - QuarkXpress auxiliary dictionary file
77.
RESMONCFG - Resource Monitor Configuration File
78.
RESX - .NET Managed Resources File
80.
RT - RealText Streaming Text File
82.
SCHEMAS - GConf Schema Definition File
83.
SHA1 - SHA-1 Hash File
84.
SHA512 - SHA 512 Hash File
85.
SMALI - Android Smali Assembly Language File
86.
SS - Scheme source code file
87.
TEXT - Plain Text File
88.
TT - Visual Studio Text Template
89.
TUR - Turing Program Source File
90.
TXT - Plain Text File
91.
UHTML - uHTML document file
92.
USER - Visual Studio Project User Options File
96.
XSL - Microsoft SharePoint WorkSpace Groove database file
97.
XSLT - XSL Transformation File
98.
YAB - Yabasic Source Code
101.
ZEG - ZeroG Subtitles File