| Extension |
File
Description |
|
Common? |
| .!ut |
µTorrent Incomplete Download |
|
No |
| .83p |
TI-83 Calculator File |
|
No |
| .8xp |
TI-83 Plus Calculator File |
|
No |
| .acb |
AOL Cab Launcher |
|
No |
| .acl |
AutoCorrect List File |
|
No |
| .ad |
After Dark Screensaver |
|
No |
| .aol |
America Online File |
|
No |
| .atz |
Atomic Time Zone File |
|
No |
| .awc |
Emulex AWC Firmware Update File |
|
No |
| .bc |
BitComet Partially Downloaded File |
|
No |
| .bc! |
BitComet Incomplete File |
|
No |
| .bfc |
Windows Briefcase File |
|
No |
| .bootskin |
Stardock Bootskin File |
|
No |
| .bp2 |
AutoCAD Batch Plot File |
|
No |
| .bp3 |
AutoCAD Batch Plot File |
|
No |
| .bst |
BibTeX Style Document |
|
No |
| .buf |
Buffer File |
|
No |
| .ca |
Initial Telnet Cache |
|
No |
| .cache |
Cache File |
|
No |
| .calb |
Coolect Album File |
|
No |
| .cbt |
Computer Based Training File |
|
No |
| .ceb |
Apabi eBook File |
|
No |
| .cfl |
IMVU Product File |
|
No |
| .chw |
Compiled Help Index File |
|
No |
| .clkk |
Clicker Keyboard |
|
No |
| .clkt |
Clicker Template |
|
No |
| .clkw |
Clicker Word Bank |
|
No |
| .clkx |
Clicker Grid Set |
|
No |
| .cmm |
Corel Multimedia Manager Album |
|
No |
| .cnc |
CNC Machine Tool Path |
|
No |
| .cp3 |
Grand Prix 3 Cockpit Shape File |
|
No |
| .ctg |
Canon Digital Camera Catalog File |
|
No |
| .dc1 |
Bloomba E-mail Message |
|
No |
| .dci |
Dictionary File |
|
No |
| .dctmp |
DC++ Partially Downloaded File |
|
No |
| .desktop |
Desktop Entry File |
|
No |
| .diskdefines |
Linux LiveCD Information File |
|
No |
| .dpb |
FaxMaster Document |
|
No |
| .dqy |
Excel Query File |
|
No |
| .dr |
DRM Rights Object |
|
No |
| .drc |
DRM Rights Object |
|
No |
| .dsc |
CoolPix Disk Identification File |
|
No |
| .dst |
Embroidery Format |
|
No |
| .dt_ |
Macintosh Data Fork |
|
No |
| .dus |
Readiris Font Dictionary |
|
No |
| .dwc |
Emulex DWC Firmware Update File |
|
No |
| .dwn |
Firmware Update File |
|
No |
| .ebn |
Philips Firmware Update File |
|
No |
| .eml |
Outlook Express Saved Mail Message |
|
No |
| .eqn |
WordPerfect Equation |
|
No |
| .exd |
Control Information Cache File |
|
No |
| .eyb |
Microsoft Encarta Yearbook Update File |
|
No |
| .flf |
Microsoft Dynamics NAV License File |
|
No |
| .fpfv |
File Protected From Virus |
|
No |
| .fpk |
JetForm FormFlow File |
|
No |
| .frk |
Macintosh Resource Fork / Data Fork |
|
No |
| .frz |
Locked FormFlow File |
|
No |
| .ftploc |
FTP Location |
|
No |
| .gau |
Flight Simulator Gauge File |
|
No |
| .gbx |
Gerber PCB File |
|
No |
| .gg |
Google Desktop Gadget File |
|
No |
| .gly |
Microsoft Word Glossary |
|
No |
| .gpg |
GNU Privacy Guard Public Keyring |
|
No |
| .growlregdict |
Growl Temp File |
|
No |
| .hgl |
HP Graphics Language File |
|
No |
| .his |
FindinSite Database File |
|
No |
| .hlb |
VMS / VAX Help Library |
|
No |
| .hlx |
ATI Radeon Video Driver Support File |
|
No |
| .hm3 |
Help & Manual 3 Project |
|
No |
| .hmx |
Help & Manual 4 Project |
|
No |
| .hus |
Husqvarna Embroidery File |
|
No |
| .id |
Lotus Notes User ID File |
|
No |
| .imy |
iMelody Ringtone File |
|
No |
| .in |
Spyware File |
|
No |
| .inetloc |
Internet Location |
|
No |
| .ing |
MasterCook Ingredients File |
|
No |
| .inm |
FaxMaster Document |
|
No |
| .ipsw |
iPod and iPhone Software Update File |
|
No |
| .isn |
Installer Source Files |
|
No |
| .itc |
iTunes Cover Flow Data File |
|
No |
| .iva |
Dementia.4207 Virus File |
|
No |
| .jad |
Java Application Descriptor File |
|
No |
| .jc |
FlashGet Partial Download |
|
No |
| .jc! |
FlashGet Incomplete Download |
|
No |
| .kth |
Keynote Theme |
|
No |
| .lck |
Program Lock File |
|
No |
| .lid |
Kodak EasyShare Album File |
|
No |
| .link |
iPod Link File |
|
No |
| .linx |
iPod Links Folder |
|
No |
| .ltf |
Frogans Shortcut File |
|
No |
| .lwtp |
LimeWire Theme Pack |
|
No |
| .m3g |
Nokia Mobile 3D Graphics File |
|
No |
| .mab |
Mozilla Address Book |
|
No |
| .mad |
Access Module |
|
No |
| .maf |
Microsoft Access Form |
|
No |
| .mam |
Microsoft Access Macro |
|
No |
| .maq |
Microsoft Access Query |
|
No |
| .mar |
Microsoft Access Report |
|
No |
| .mas |
Access Stored Procedures |
|
No |
| .mau |
Media Attachment Unit |
|
No |
| .mav |
Access View File |
|
No |
| .maw |
Access Data Access Page |
|
No |
| .mci |
Media Control Interface |
|
No |
| .mco |
Live Messenger Winks File |
|
No |
| .md5 |
MD5 Checksum File |
|
No |
| .mdw |
Access Workgroup File |
|
No |
| .mhs |
Hardware Specification File |
|
No |
| .mif |
Management Information Format |
|
No |
| .mmo |
Memory Map Overlay File |
|
No |
| .mnx |
FoxPro Menu |
|
No |
| .mpp |
Microsoft Project File |
|
No |
| .mps |
Pocket Streets Map File |
|
No |
| .mrk |
DPOF Auto Print Order File |
|
No |
| .ms-tnef |
MS Transport Neutral Encapsulation Format |
|
No |
| .msu |
Windows Vista Update Package |
|
No |
| .mvi |
AutoCAD Movie Command File |
|
No |
| .mvs |
Project Language and Simulation File |
|
No |
| .nav2 |
WinAVI Temporary Navigation File |
|
No |
| .nch |
Outlook Express Folder File |
|
No |
| .nick |
Outlook 2000 Nickname File |
|
No |
| .nk2 |
Outlook 2002 Nickname File |
|
No |
| .nn |
Nero CD File List |
|
No |
| .nss |
Magnetic Screensaver File |
|
No |
| .nth |
Nokia Series 40 Theme File |
|
No |
| .ntx |
Clipper Index File |
|
No |
| .nwm |
Sony NWM Display Screen File |
|
No |
| .nwp |
Magnetic Wallpaper File |
|
No |
| .olb |
OLE Object Library |
|
No |
| .ost |
Outlook Offline Folder File |
|
No |
| .otp |
OpenDocument Presentation Template |
|
No |
| .ove |
Overture Musical Score |
|
No |
| .p2p |
FolderShare Placeholder File |
|
No |
| .pando |
Pando File |
|
No |
| .part |
Partially Downloaded File |
|
No |
| .pes |
Embrid Embroidery Format |
|
No |
| .pgp |
PGP Security Key |
|
No |
| .playset |
Souptoys Playset File |
|
No |
| .pnf |
Precompiled INF File |
|
No |
| .pnz |
Panorama Database Set |
|
No |
| .potm |
PowerPoint 2007 Macro-Enabled Presentation Template |
|
No |
| .ppsm |
PowerPoint 2007 Macro-Enabled Slide Show |
|
No |
| .pptm |
PowerPoint 2007 Macro-Enabled Presentation |
|
No |
| .prb |
xyAlgebra Probabilities File |
|
No |
| .psar |
PSP Update File |
|
No |
| .pth |
4D Path Document |
|
No |
| .ptr |
Desktop Flash Intro Project File |
|
No |
| .pwrep |
Password Repository File |
|
No |
| .qxl |
QuarkXpress Library |
|
No |
| .rmr |
ResumeMaker File |
|
No |
| .rov |
Report Object Variable |
|
No |
| .rtp |
TurboTax Update File |
|
No |
| .scd |
TurboTax Schedule Description |
|
No |
| .sdd |
StarOffice Presentation |
|
No |
| .sec |
PGP Secret Key Ring |
|
No |
| .sew |
Home Embroidery Format |
|
No |
| .sfv |
Simple File Verification File |
|
No |
| .shortcut |
As-U-Type Shortcut |
|
No |
| .shw |
Corel Presentation |
|
No |
| .sis |
Symbian Installation File |
|
No |
| .sisx |
Symbian Series 3 Installation File |
|
No |
| .skindex |
Mail Index File |
|
No |
| .skr |
PGP Private Keyring |
|
No |
| .smm |
Ami Pro Macro |
|
No |
| .snm |
Netscape Mail Index |
|
No |
| .spdf |
Sealed PDF |
|
No |
| .sti |
StarOffice Presentation Template |
|
No |
| .stmb |
Synclavier Timbre File |
|
No |
| .svn-work |
Subversion Cache File |
|
No |
| .sxm |
StarOffice Math File |
|
No |
| .sz |
Winamp Classic Skin Download |
|
No |
| .t$m |
AVG Internet Security Temporary File |
|
No |
| .tag |
DataFlex Query Tag |
|
No |
| .tax |
TurboTax Tax Return |
|
No |
| .tbs |
TuneUp Utilities Boot Screen File |
|
No |
| .tmb |
Timbuktu Pro Document |
|
No |
| .tnef |
Transport Neutral Encapsulation Format |
|
No |
| .tol |
AOL Tool File |
|
No |
| .torrent |
BitTorrent File |
|
Yes |
| .tpl |
Document Template |
|
No |
| .trc |
Trusted Platform Module Password File |
|
No |
| .tub |
Paint Shop Pro Picture Tube |
|
No |
| .tvl |
TurboTax File |
|
No |
| .uls |
NetMeeting User Location Service File |
|
No |
| .ver |
Version Record |
|
No |
| .vir |
Virus-Infected File |
|
No |
| .vor |
StarOffice Template |
|
No |
| .vpa |
VPchat Chat Gestures File |
|
No |
| .vpc7 |
Virtual Machine Package |
|
No |
| .vs |
Vivid Include File |
|
No |
| .wba |
WindowBlinds Compressed Skin |
|
No |
| .wpm |
WordPerfect Macro |
|
No |
| .wsz |
Winamp Classic Skin |
|
No |
| .xlm |
Excel Macro |
|
No |
| .xlnk |
XML Shortcut File |
|
No |
| .xnk |
Exchange Shortcut |
|
No |
| .xmp |
Extensible Metadata Platform File |
|
No |
| .xpr |
PressIt Disc Label |
|
No |
| .xwf |
OmniPage Workflow File |
|
No |
| .ymg |
Yahoo! Messenger File |
|
No |
| .yps |
Yahoo! Messenger Data File |
|
Yes |
| .z1 |
Zone Alarm Renamed VB File |
|
No |
| .ztf |
DVD Label Template File |
|
No |
| .ztr |
DVD Label Template Media File |
|
No |
