3.
APXL - Keynote Presentation Data File
4.
AS - ActionScript File
5.
ASAX - ASP.NET application optional source file
7.
ASM - Assembler source code file
8.
ASP - Active Server Page
9.
ATT - Web Form Data file
10.
AU3 - AutoIt v3 Script
11.
BASHRC - Bash Non-Interactive Login Shell File
12.
BBS - Bulletin Board System Text
13.
BML - Bean Markup Language File
14.
BSDL - Boundary Scan Description Language File
15.
C - C/C++ Source Code File
16.
CC - C++ Source Code File
17.
CFG - Configuration File
18.
CGI - Common Gateway Interface Script
20.
CHORD - Song Chords File
21.
COMMAND - Terminal Command File
22.
CONF - Configuration information file
23.
CONFIG - Configuration File
24.
CPP - C++ Source Code File
25.
CSHTML - ASP.NET Razor Web Page
26.
CSPROJ - Visual Studio C# Project
27.
CSS - Cascading Style Sheet
29.
CXX - C++ Source Code File
30.
DBML - Visual Studio OR Design File
31.
DBPROJ - Visual Studio Database Project File
32.
ETX - Setext Structure Enhanced text file
33.
EXTRA - Mozilla Firefox crash report file
34.
FODP - OpenDocument Flat XML Presentation
35.
FODS - OpenDocument Flat XML Spreadsheet
36.
FODT - OpenDocument Flat XML Document
37.
FSI - Visual F# Signature File
38.
FSPROJ - Visual F# Project File
40.
FSX - Visual F# Script File
41.
H - C/C++/Objective-C Header File
42.
HEX - Hexadecimal Source File
44.
JAVA - Java Source Code File
45.
JSON - JavaScript Object Notation File
47.
LASTLOGIN - Minecraft User Credential File
49.
LOL - LOLCODE Source Code FIle
50.
LSP - Lisp Program Source Code File
52.
MANIFEST - Windows Application Manifest File
54.
MARKDOWN - Markdown Documentation File
55.
MDOWN - Markdown File
56.
MIT - MineEdit Inventory Template File
57.
MSCX - MuseScore Music Score File
59.
NFO - Warez Information File
61.
OPML - Outline Processor Markup Language File
62.
OSC - Remote Installation Services client installation wizard file
63.
PAS - Pascal Source File
64.
PML - PADGen program information file
67.
PVJ - ProofVision Job Ticket
69.
QDT - QuarkXpress auxiliary dictionary file
71.
RESMONCFG - Resource Monitor Configuration File
72.
RESX - .NET Managed Resources File
73.
RST - reStructuredText File
74.
RT - RealText Streaming Text File
75.
RTF - Rich Text Format File
76.
RZB - Red Zion Book File
77.
RZN - Red Zion Notes File
81.
SHA1 - SHA-1 Hash File
82.
SHA512 - SHA 512 Hash File
83.
SMALI - Android Smali Assembly Language File
84.
SS - Scheme source code file
86.
TEXT - Plain Text File
87.
TLX - Standard Dictionary 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
95.
XSL - Microsoft SharePoint WorkSpace Groove database file
96.
XSLT - XSL Transformation File
97.
YAB - Yabasic Source Code
99.
ZEG - ZeroG Subtitles File