Welcome to the PC Pitstop File Extension Library, the internet's most complete and comprehensive source for file extension information. Over the years PC Pitstop has developed numerous free scans that diagnose various PC performance issues. Over 200 million scans that have been run all over the world contribute to our file extension libraries.

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File Extension


Supported Extensions


Name Extension
HTML Document .xhtm
Image .wgt
Empty .oex
MHTML Document .mhtml
MHTML Document .mht
Macromedia Flash Paper .mfp
Firefox Document .xhtml
Firefox Document .xht
HTML Document .html
HTML Document .htm
Vuze Download .torrent
XML Document .xml
X11 Bitmap Image .xbm
GIF Image .gif
Bitmap Image .bmp
VLC media file (.webm) .webm
PNG Image .png
VLC media file (.oga) .oga
JPEG Image .jpeg
Ogg Vorbis File .ogg
VLC media file (.ogm) .ogm
VLC media file (.ogv) .ogv
JPEG Image .jpg
SVG Document .svg
Adobe Acrobat Document .pdf
SVG Document .svgz
Microsoft Office Excel Comma Separated Values File .csv
Microsoft Works Word Processor .wps
MS-DOS Application .com
InterTrust SPOP .spop
SWF Movie .swf
Windows Command Script .cmd
Sibelius Scorch Score .sco
VLC media file (.flv) .flv
Sibelius Score .sib
dat .dat
Internet Shortcut .url
Microsoft Office Word 97 - 2003 Document .doc
Active Server Page .asp
PHP Script .php
Text Document .log
WinRAR archive .gz
XSL Stylesheet .xsl
VLC media file (.bin) .bin
Microsoft Office PowerPoint 97-2003 Template .pot
Video Clip .avi
ASP.NET Server Page .aspx
Microsoft Office Access Application .mdb
Outlook Item .msg
Microsoft Office Access 2007 Database .accdb
IconDeveloper File .dll
Name Extension
Compressed (zipped) Folder .zip
Adobe Content Server Message .acsm
.xevgenxml
Cascading Style Sheet Document .css
.anic
Windows Media Player .docmhtml
MBS Clip .mbs
Netscape Theme or Extension Package .xpi
Firefox Document .shtml
Microsoft Office PowerPoint 97-2003 Presentation .ppt
Microsoft Office PowerPoint Presentation .pptx
VLC media file (.divx) .divx
Partial Download .partial
Windows Media Player .mapimail
unispim wordlib file .uwl
Paradox Table .db
VLC media file (.a52) .a52
JNLP File .jnlp
Executable Jar File .jar
Thunderbird Document .eml
Windows Live Mail Mail Message .rss
Text Document .scp
Microsoft SQL Server Query File .sql
Text Document .txt
Text Document .wtx
XPS Document .xps
XrML Digital License .xrm-ms
Microsoft Office Excel 97-2003 Worksheet .xls
eFax Messenger Document .jfx
WinZip File .mim
InDesign XML Interchange Document .inx
Registration Entries .key
WinRAR archive .rar
Digital sheet music .mtd
Vuze File .vuze
Broderbund Calendar .cal
Application Installer .jad
JEDMICS C4 Image Document .c4
CALS Type 1 Raster Image .cals
CPC Image Document .cpc
CPC Image Document .cpi
CPI Batch Download .cpidl
CPI Batch Job .cpijob
JEDMICS C4 Image Document .ct4
JFAX Image Document .jfax
Portable Anymap Image .pnm
Windows Media Player .sfcache
OpenDocument Spreadsheet .123
FlexiDATA backup report file .fbr
Max JSON .json
File Association Manager .ax

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To find the latest driver for your computer we recommend running our Free Driver Scan.

Find out how to make your computer faster by running our Free Performance Scan.



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Introducing Driver Matic. In May 2007, PC Pitstop announced a revolutionary technology called Driver Matic. Driver Matic allows the installation of a driver with the click of a button. Prior to Driver Matic, all drivers had to be installed differently and required significant user involvement. Now with Driver Matic, a PC can have up to date drivers automatically. Driver Matic has been integrated into both PC Matic and Driver Alert 2.0. Driver Matic finally has made it simple and easy to keep your drivers up to date. Only at PC Pitstop.

To find the latest driver for your computer we recommend running our Free Driver Scan.

Find out how to make your computer faster by running our Free Performance Scan.

Tips from the PitCrew

Tips from the Pit Crew

If a hardware device isn't functioning properly, or if a program or game that you're installing states that it requires newer drivers, a driver update will be in order.

Also, with many wireless adapters it is important to stay current as updates often contain security fixes. A driver update may also improve stability and performance, or may fix issues with games, programs and power management.

New drivers can unlock additional features for a device that may not have been available before. If you receive notification from a program or a manufacturer that a newer driver is available, it would be a good idea to check the release notes and see what’s different than the driver you’re already using.

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