2.
ADDIN - Visual Studio Add-in Definition File
5.
APPX - Windows 8 App Package
6.
APPXSYM - Windows 8 App Package Symbols File
8.
APS - Visual C++ Resource File
9.
ASAX - ASP.NET application optional source file
10.
ASCX - ASP.NET User Control File
11.
ASHX - ASP.NET Web Handler file
12.
ASM - Assembler source code file
13.
ASMX - ASP.NET Web Service File
14.
ASP - Active Server Page
15.
ASPX - Active Server Page Extended File
16.
AXD - ASP.NET Web Handler File
17.
B - BASIC Source File
18.
BAS - BASIC Source Code File
19.
BROWSER - ASP.NET Browser Definition File
20.
BSC - Visual Studio Source Browser Information File
21.
C - C/C++ Source Code File
22.
CC - C++ Source Code File
23.
CD - Visual Studio Class Diagram
24.
CDF-MS - ClickOnce Compiled Manifest File
25.
CLS - Program Class File
26.
CLW - Visual C++ ClassWizard File
27.
COD - Compiled Source Code
29.
CONFIG - Configuration File
30.
CPP - C++ Source Code File
31.
CS - Visual C# Source Code File
32.
CSHTML - ASP.NET Razor Web Page
33.
CSPROJ - Visual Studio C# Project
34.
CSS - Cascading Style Sheet
35.
CSX - Visual C# Script
36.
CTL - Visual Basic UserControl Object File
37.
CTX - Visual Basic Control Binary File
38.
CXX - C++ Source Code File
39.
DBML - Visual Studio OR Design File
40.
DBPROJ - Visual Studio Database Project File
41.
DEF - Module-Definition File
42.
DGML - Visual Studio Directed Graph Document
43.
DGSL - Visual Shader Graph File
44.
DISCO - DISCO Discovery Document
45.
DISCOMAP - DISCO Discovery Output File
46.
DLL - Dynamic Link Library
47.
DLX - Renamed DLL File
48.
DMP - Windows Memory Dump
49.
DOB - Visual Basic UserDocument
50.
DOX - Visual Basic Binary UserDocument
51.
DSP - Visual C++ 6 Project
52.
DSW - Visual C++ 6 Workspace File
53.
DTD - Document Type Definition File
54.
EAZ - ArcGIS Explorer Add-in File
55.
EDMX - ADO.NET Entity Data Model Designer File
56.
EXD - Control Information Cache File
57.
EXP - Symbols Export File
58.
FEATURE - SharePoint Feature File
59.
FILTERS - Visual C++ Project Filters File
61.
FRM - Visual Basic Text Form
62.
FS - Visual F# Source File
63.
FSI - Visual F# Signature File
64.
FSPROJ - Visual F# Project File
66.
FSX - Visual F# Script File
67.
FX - Direct3D Effects File
68.
H - C/C++/Objective-C Header File
69.
HDMP - Windows Heap Dump
71.
HLSL - High Level Shader Language File
72.
HPP - C++ Header File
73.
HTM - Hypertext Markup Language File
74.
HTML - Hypertext Markup Language File
75.
HXA - Microsoft Help 2 Attribute Definition File
76.
HXC - Microsoft Help 2 Collection Definition File
77.
HXN - Hexagon Model File
78.
HXS - Help 2 Compiled Help File
79.
HXX - C++ Source Code Header File
80.
I - Visual Studio Intermediate File
81.
IDB - Visual Studio Intermediate Debug File
82.
IDC - Internet Database Connector File
83.
IDL - Interface Definition Language File
84.
ILK - Incremental Linking File
86.
INL - C++ Inline File
87.
IPCH - Intellisense Precompiled Header File
88.
JAVA - Java Source Code File
90.
LICENSES - Visual Studio Licensed Classes File
91.
LICX - Visual Studio License File
93.
LSPROJ - Visual Studio LightSwitch Project
97.
MANIFEST - Windows Application Manifest File
98.
MASTER - ASP.NET Master Page
99.
MDB - Microsoft Access Database
100.
MDF - SQL Server Database File
101.
MDMP - Windows Minidump
102.
MDP - Visual C++ 5 Workspace File
105.
ML - ML Source Code File
106.
MSHA - Microsoft Help Asset File
107.
MSHI - Microsoft Help Index File
108.
MSM - Windows Installer Merge Module
109.
MYAPP - Visual Studio Application XML File
110.
NCB - Visual C++ IntelliSense Database
111.
NUPKG - NuGet Package
112.
OCA - Custom Control Library Type File
113.
OCX - ActiveX Control
114.
ODL - Object Description Language File
115.
OLB - OLE Object Library
116.
PCH - Precompiled Header File
117.
PDB - Program Database
118.
PDM - VB Project Information File
119.
PLG - Microsoft Developer Studio build log file
120.
PRI - Windows Compiled Resources File
122.
PROPS - Visual Studio Project Property File
123.
PSESS - Visual Studio Performance Session File
124.
RC - Resource Script
125.
RC2 - Visual Studio Resources File
126.
RCT - Visual Studio Resource Template
127.
RDLC - Visual Studio Client Report Definition File
128.
REFRESH - Visual Studio Refresh File
129.
RES - C++ Complied Resource Script
130.
RESJSON - Windows JavaScript Resources File
132.
RESW - Windows Resources File
133.
RESX - .NET Managed Resources File
134.
RGS - Registry Script
135.
RLL - Microsoft Resource Library
136.
RPT - Crystal Reports File
137.
RSP - Linker response file
138.
RULESET - Visual Studio Code Analysis Rule Set File
139.
S - Source Code File
140.
SBR - Visual Studio Source Browser Intermediate File
141.
SCC - SourceSafe Source Code Control File
142.
SDF - SQL Server Compact Database File
143.
SDL - Service Description Language File
144.
SETTINGS - Visual Studio Settings File
145.
SITEMAP - ASP.NET Site Map File
146.
SKIN - ASP.NET Skin File
147.
SLL - Static Link Library
148.
SLN - Visual Studio Solution File
149.
SNIPPET - Visual Studio IntelliSense Code Snippet
150.
SNK - Strong Name Key File
151.
SQL - Structured Query Language Data File
152.
SQLPROJ - Visual Studio SQL Server Project
154.
SRF - Server Response File
155.
SSC - SourceSafe Status File
156.
SUO - Visual Studio Solution User Options File
157.
SVC - WCF Web Service File
159.
TARGETS - MSBuild Targets File
162.
TLH - Typelib Generated C/C++ Header File
163.
TLI - Typelib Generated C/C++ Inline File
164.
TRX - Visual Studio Test Results File
165.
TT - Visual Studio Text Template
166.
UDL - Microsoft Universal Data Link File
167.
USER - Visual Studio Project User Options File
169.
VBD - Visual Basic ActiveX Document
170.
VBG - Visual Basic Project Group File
171.
VBHTML - ASP.NET Razor Web Page
172.
VBP - Visual Basic Project File
173.
VBPROJ - Visual Studio Visual Basic Project
176.
VBW - Visual Basic Workspace File
177.
VBX - Visual Basic Custom Control
178.
VBZ - Visual Basic Project Template
179.
VCP - eMbedded Visual C++ Project File
180.
VCPROJ - Visual C++ Project File
181.
VCW - eMbedded Visual C++ Workspace File
183.
VDP - Visual Studio Deployment Project
184.
VDPROJ - Visual Studio Setup and Deployment Project
186.
VSDISCO - DISCO Dynamic Discovery Document
187.
VSI - Visual Studio Content Installer File
188.
VSMACROS - Visual Studio Binary Macro Project
189.
VSMDI - Visual Studio Test Metadata File
190.
VSMPROJ - Visual Studio Text Macro Project
191.
VSP - Visual Studio Performance Report File
192.
VSPF - Visual Studio Performance Filter File
193.
VSPROPS - Visual Studio Project Property File
194.
VSPS - Visual Studio Serialized Performance Report
195.
VSPSCC - Visual Studio Project Source Control File
196.
VSPX - Visual Studio Performance Report Data File
198.
VSSSCC - Visual Studio Solution Source Control File
199.
VSZ - Visual Studio Wizard File
200.
W32 - Win32 Makefile
201.
WID - Visual Studio Widget File
202.
WIDGET - Microsoft Windows Mobile Widget
203.
WIQ - Visual Studio Work Item Query File
204.
WSC - Windows Script Component
205.
WSDL - Web Services Description Language File
206.
WSF - Windows Script File
207.
WSP - SharePoint Solution Package
208.
X - Lex Source Code File
209.
XBAP - Microsoft Silverlight application package
210.
XLA - Excel Add-In File
211.
XLV - Excel Visual Basic Module
213.
XOML - Windows Workflow File
214.
XSC - Visual Studio Dataset Internal Info File
215.
XSD - XML Schema Definition
216.
XSL - Microsoft SharePoint WorkSpace Groove database file
217.
XSLT - XSL Transformation File
218.
XSX - Visual Studio XML Schema Layout File
219.
XUI - Xbox 360 User Interface File
220.
XUR - Xbox 360 Binary User Interface File
221.
Y - Yacc Source File