| 1 |
.$03 File Extension |
MS-DOS Pipe |
| 2 |
.286 File Extension |
Microsoft Windows Virtual Device Driver |
| 3 |
.2FS File Extension |
Puppy Linux Save State Format |
| 4 |
.2GR File Extension |
Windows VGA Graphic Drivers |
| 5 |
.32S File Extension |
Win32s |
| 6 |
.386 File Extension |
Windows Virtual Device Driver |
| 7 |
.3FS File Extension |
Puppy Linux Save State Format |
| 8 |
.3~6 File Extension |
Windows 3.xx System |
| 9 |
.500 File Extension |
Linux |
| 10 |
.73U File Extension |
TI-73 Explorer Operating System Format |
| 11 |
.8XU File Extension |
TI-83 Plus Operating System Format |
| 12 |
.AAD File Extension |
FreeBSD |
| 13 |
.ACCESS File Extension |
Java Access Control |
| 14 |
.ACCT File Extension |
IBM AIX System |
| 15 |
.ADM File Extension |
Administrative Template Format |
| 16 |
.ADML File Extension |
Microsoft Administrative Language-specific XML Template Format |
| 17 |
.ADMX File Extension |
Group Policy Administrative Template Format |
| 18 |
.ADUPS File Extension |
Google Android Data Format |
| 19 |
.AIX File Extension |
IBM AIX |
| 20 |
.AML File Extension |
Microsoft Assistance Markup Language |
| 21 |
.ANI File Extension |
Animated Cursor |
| 22 |
.ANN File Extension |
Help Annotations |
| 23 |
.AOS File Extension |
ARCHOS PCtablet Firmware Format |
| 24 |
.APDISK File Extension |
Apple Mac OS X Related |
| 25 |
.APPLEDOUBLE File Extension |
Apple AppleDouble Resource |
| 26 |
.APPLE_PARTITION_MAP File Extension |
Apple Partition Scheme |
| 27 |
.AQL File Extension |
AOL DLL |
| 28 |
.ASEC File Extension |
Android Secure Application Format |
| 29 |
.ATAHD File Extension |
ATA Hard Drive Flag Format |
| 30 |
.AUG File Extension |
Red Hat Linux Shellvars |
| 31 |
.AUTOMATICDESTINATIONS-MS File Extension |
Windows Jump List Format |
| 32 |
.BADA File Extension |
Samsung Bada Data Format |
| 33 |
.BASHRC File Extension |
Bash Non-Interactive Login Shell Format |
| 34 |
.BASH_HISTORY File Extension |
Bash History Format |
| 35 |
.BASH_PROFILE File Extension |
Bash Interactive Login Shell Format |
| 36 |
.BBFW File Extension |
ITunes Firmware |
| 37 |
.BCD File Extension |
Windows Boot Configuration Data Format |
| 38 |
.BK2 File Extension |
Windows Indexing Service Data Format |
| 39 |
.BLF File Extension |
Microsoft Windows Vista And Windows 7 Registry Format |
| 40 |
.BNR File Extension |
Nintento Wii Homebrew |
| 41 |
.BOM File Extension |
Mac OS X Bill Of Materials Format |
| 42 |
.BOOTEFISIGNATURE File Extension |
Bootefisignature Mac OS X System |
| 43 |
.BRIDGESUPPORT File Extension |
Bridgesupport Mac OS X Format Extension |
| 44 |
.BSDIFF File Extension |
Cygwin |
| 45 |
.BUD File Extension |
Binary Printer Description Format |
| 46 |
.BZI File Extension |
Dariks Boot And Nuke Kernel Data Format |
| 47 |
.B~K File Extension |
Microsoft Windows 3.x Data Format |
| 48 |
.C32 File Extension |
Syslinux COM32 Module |
| 49 |
.CAB File Extension |
Windows Cabinet Format |
| 50 |
.CACHEDUMP File Extension |
Microsoft Windows System Data Format |
| 51 |
.CAT File Extension |
Microsoft Security Catalog Format |
| 52 |
.CB File Extension |
Microsoft Clean Boot |
| 53 |
.CDMP File Extension |
WCS Device Model Profile |
| 54 |
.CGK File Extension |
BlueSoleil |
| 55 |
.CGZ File Extension |
Linux Drivers Archive |
| 56 |
.CHS File Extension |
Windows Chinese Noise-Word List Format |
| 57 |
.CNS File Extension |
Windows 2000 Client Connection Manager Export Format |
| 58 |
.CNT File Extension |
Help Contents Format |
| 59 |
.COMPONENTS File Extension |
Mac OS X System |
| 60 |
.CONFIGPROFILE File Extension |
Apple Configuration Profile |
| 61 |
.CPL File Extension |
Windows Control Panel Item |
| 62 |
.CPQ File Extension |
Compaq OEM Disc Configuration Format |
| 63 |
.CQ File Extension |
SYSGEN Replacement Data Format |
| 64 |
.CRASH File Extension |
Mac OS X Crash Log Format |
| 65 |
.CRMLOG File Extension |
Microsoft Windows CRM Log |
| 66 |
.CTFSYS File Extension |
OS X Mach Kernel System |
| 67 |
.CUR File Extension |
Windows Cursor |
| 68 |
.DAT_TUREG_OLD File Extension |
Windows Registry |
| 69 |
.DBFSEVENTSD File Extension |
Mac OS X Data Format |
| 70 |
.DDZ File Extension |
Adaptec Unix Driver |
| 71 |
.DESKLINK File Extension |
Desktop Shortcut |
| 72 |
.DESKTHEMEPACK File Extension |
Windows 8 Desktop Theme Pack Format |
| 73 |
.DEV File Extension |
Windows Device Driver Format |
| 74 |
.DEVICEMANIFEST-MS File Extension |
Microsoft Windows Device Metadata |
| 75 |
.DFU File Extension |
IOS DFU Format |
| 76 |
.DIAGCAB File Extension |
Troubleshooting Pack Cabinet Format |
| 77 |
.DIAGCFG File Extension |
Troubleshooting Pack Configuration Format |
| 78 |
.DIAGPKG File Extension |
Troubleshooting Pack Format |
| 79 |
.DIMAX File Extension |
DiMAX Firmware Image Format |
| 80 |
.DIT File Extension |
Active Directory Information Tree Format |
| 81 |
.DLL File Extension |
Dynamic Link Library |
| 82 |
.DLL_1029 File Extension |
Microsoft Windows Dynamic Link Library Format |
| 83 |
.DMP File Extension |
Windows Memory Dump |
| 84 |
.DO7 File Extension |
DOS 7 |
| 85 |
.DOCUMENTREVISIONS-V100 File Extension |
MacOS (OS X) Data Format |
| 86 |
.DOH File Extension |
Geoworks GEOS Dependency Information |
| 87 |
.DOS File Extension |
WIN95/ DOS 7 System |
| 88 |
.DRPM File Extension |
Delta RPM Format |
| 89 |
.DRV File Extension |
Device Driver |
| 90 |
.DYC File Extension |
Xerox Printer Driver Configuration Format |
| 91 |
.EBD File Extension |
Windows EBD System Format |
| 92 |
.EDJ File Extension |
Enlightenment Theme Format |
| 93 |
.EFI File Extension |
Extensible Firmware Interface Format |
| 94 |
.EFIRES File Extension |
EFI Image Format |
| 95 |
.EMERALD File Extension |
Emerald Theme |
| 96 |
.EMM File Extension |
Expanded Memory Manager Data Format |
| 97 |
.EQUIV File Extension |
IBM AIX System Format. |
| 98 |
.ESN File Extension |
Windows XP System32 |
| 99 |
.ETL File Extension |
Microsoft Event Trace Log Format |
| 100 |
.EVT File Extension |
Windows Event Viewer Log Format |
| 101 |
.EVTX File Extension |
Windows 7 Event Log Format |
| 102 |
.EXT2 File Extension |
Linux Second Extended System |
| 103 |
.EXT4 File Extension |
Fourth Extended Formatsystem Format |
| 104 |
.FAILUREREQUESTS File Extension |
MacOS (OS X) Data Format |
| 105 |
.FFA File Extension |
Find Fast Status Format |
| 106 |
.FFL File Extension |
Find Fast Document List |
| 107 |
.FFO File Extension |
Find Fast Document Properties Cache |
| 108 |
.FGDUMP-LOG File Extension |
Microsoft Windows Fgdump Data Format |
| 109 |
.FOLDER File Extension |
Microsoft Windows Explorer Folder |
| 110 |
.FOTA File Extension |
Firmware Over-the-Air Format |
| 111 |
.FPBF File Extension |
Mac OS X Burn Folder |
| 112 |
.FSEVENTSD File Extension |
MAC OS X |
| 113 |
.FSTAB File Extension |
File System Table |
| 114 |
.FTG File Extension |
Full Text Group |
| 115 |
.FWL File Extension |
FileWrangler EXE Library |
| 116 |
.GMMP File Extension |
WCS Gamut Map Model Profile |
| 117 |
.GRL File Extension |
Windows Update Status Format |
| 118 |
.GROUP File Extension |
Windows Contacts Group Format |
| 119 |
.H1C File Extension |
Windows Vista Format Related To Assistance Platform (AP) Help |
| 120 |
.H1F File Extension |
Microsoft Windows Assistance Platform Client Help |
| 121 |
.H1K File Extension |
Keyword Index - Microsoft Windows Assistance Platform Client Help Related |
| 122 |
.H1S File Extension |
Windows Assistance Platform Help Format |
| 123 |
.H1T File Extension |
Microsoft Windows Assistance Platform Client Help Related |
| 124 |
.H1V File Extension |
Task Metadata - Microsoft Windows Assistance Platform Client Help Related |
| 125 |
.HDMP File Extension |
Windows Heap Dump |
| 126 |
.HELP File Extension |
Mac OS X Help Book |
| 127 |
.HHC File Extension |
HTML Help Table Of Contents |
| 128 |
.HHK File Extension |
HTML Help Index |
| 129 |
.HIV File Extension |
Windows Registry Hive Format |
| 130 |
.HLP File Extension |
Windows Help Format |
| 131 |
.HPC File Extension |
System Dynamic Library |
| 132 |
.HPFS File Extension |
OS/2 High Performance Format System |
| 133 |
.HPJ File Extension |
Help Project Format |
| 134 |
.HSH File Extension |
Windows Catalog Search Index Format |
| 135 |
.HTT File Extension |
Hypertext Template Format |
| 136 |
.HTW File Extension |
Windows |
| 137 |
.HV File Extension |
Microsoft Windows Mobile Hive |
| 138 |
.HX1 File Extension |
Microsoft Windows Data Format |
| 139 |
.HXI File Extension |
Microsoft Help Compiled Storage |
| 140 |
.IA64 File Extension |
HP-UX |
| 141 |
.ICL File Extension |
Windows Icon Library Format |
| 142 |
.ICNS File Extension |
Mac OS X Icon Resource Format |
| 143 |
.ICO File Extension |
Icon Format |
| 144 |
.ICONPACKAGE File Extension |
IconPackager Theme Format |
| 145 |
.IDENTIFIER File Extension |
Microsoft Windows Zone Identifier |
| 146 |
.IDX_DLL File Extension |
Microsoft Office IDX_DLL |
| 147 |
.IFW File Extension |
INTUS Firmware Format |
| 148 |
.IM4P File Extension |
Apple IOS IMG4 Payload Data Format |
| 149 |
.IME File Extension |
Windows Input Method Editor Format |
| 150 |
.IMG3 File Extension |
IPhone IMG3 Format |
| 151 |
.INA File Extension |
MS-DOS |
| 152 |
.INF_LOC File Extension |
Windows Driver Information Cache Format |
| 153 |
.INSTALL_BACKUP File Extension |
AVG Shell Extension Module |
| 154 |
.INTERNETCONNECT File Extension |
Apple Internet Connect Document |
| 155 |
.ION File Extension |
File Description Format |
| 156 |
.IOPLIST File Extension |
Mac OS X IOPLIST Format |
| 157 |
.IPOD File Extension |
Rockbox Firmware Format |
| 158 |
.IPTHEME File Extension |
IconPackager Raw Theme Format |
| 159 |
.IRIX6 File Extension |
Irix 6 |
| 160 |
.ISWP File Extension |
Apple ITunes IOS Firmware Update |
| 161 |
.ITEMDATA-MS File Extension |
Windows 8 Start Screen Item Data Format |
| 162 |
.IUS File Extension |
InfoTMIC Firmware Update Format |
| 163 |
.JFS File Extension |
Linux/Unix Journaling System |
| 164 |
.JLB File Extension |
PAC Mate BX Keyboard Driver |
| 165 |
.JOB File Extension |
Windows Task Scheduler Job Format |
| 166 |
.JOURNAL_INFO_BLOCK File Extension |
Apple Mac OS Xsystem |
| 167 |
.JPN File Extension |
Windows Japanese Noise-Word List Format |
| 168 |
.K48 File Extension |
Apple IOS Kernel Cache |
| 169 |
.KBD File Extension |
Keyboard Layout Script |
| 170 |
.KEXT File Extension |
Mac OS X Kernel Extension |
| 171 |
.KO File Extension |
Linux Kernel Module Format |
| 172 |
.KOR File Extension |
Windows Korean Noise-Words List Format |
| 173 |
.LE File Extension |
Le Mac OS X |
| 174 |
.LFS File Extension |
Samsung Phone Params.lfs Format |
| 175 |
.LGS File Extension |
Microsoft Windows Application Log |
| 176 |
.LIBRARY-MS File Extension |
Windows Library Description Format |
| 177 |
.LLS File Extension |
Windows System |
| 178 |
.LN File Extension |
UNIX Lint |
| 179 |
.LNK File Extension |
Windows Format Shortcut |
| 180 |
.LOCALIZED File Extension |
MAC OS X |
| 181 |
.LOCATION File Extension |
Microsoft Windows 10 Registry Data Format |
| 182 |
.LOCKFILE File Extension |
Mac OS X PLIST Lock Format |
| 183 |
.LOG1 File Extension |
Windows Registry Hive Log Format |
| 184 |
.LOG2 File Extension |
Windows Registry Hive Log 2 Format |
| 185 |
.LPD File Extension |
Lookout Protocol Driver Format |
| 186 |
.LS_ File Extension |
Unix Ls Directory |
| 187 |
.LTN File Extension |
CD-ROM Driver Format |
| 188 |
.MANIFEST File Extension |
Windows Application Manifest Format |
| 189 |
.MAPIMAIL File Extension |
Send To Mail Recipient |
| 190 |
.MARKER File Extension |
Microsoft Windows 10 System Data Format |
| 191 |
.MDIMPORTER File Extension |
Spotlight Importer Setting |
| 192 |
.MDMP File Extension |
Windows Minidump |
| 193 |
.METADATA_NEVER_INDEX File Extension |
Spotlight Never Index Format |
| 194 |
.MI4 File Extension |
Audio Player Firmware Format |
| 195 |
.MIGTABLE File Extension |
Microsoft Windows Data Format |
| 196 |
.MKEXT File Extension |
Mac OS X Mach Kernel Extension Memory Cache |
| 197 |
.MLC File Extension |
Microsoft Language Interface Pack |
| 198 |
.MOBILECONFIG File Extension |
Apple Mobile Configuration Format |
| 199 |
.MOJITO File Extension |
Limewire Kademlia |
| 200 |
.MONITORPANEL File Extension |
Apple Mac OS X Display Panel Extension |
| 201 |
.MPS_ File Extension |
MPW Shell |
| 202 |
.MQ File Extension |
Microsoft Windows Message Data Format |
| 203 |
.MSC File Extension |
Microsoft Management Console Snap-in Control Format |
| 204 |
.MSDM File Extension |
Microsoft Windows |
| 205 |
.MSP File Extension |
Windows Installer Patch |
| 206 |
.MSSTYLE File Extension |
Windows XP Unsigned Style |
| 207 |
.MSSTYLES File Extension |
Windows XP Style |
| 208 |
.MTZ File Extension |
MIUI Theme |
| 209 |
.MUI File Extension |
Multilingual User Interface Format |
| 210 |
.MUIMANIFEST File Extension |
Microsoft Windows Multilingual User Interface |
| 211 |
.MUI_CCCD5AE0 File Extension |
Hid User Library |
| 212 |
.MUM File Extension |
Windows Vista Update Package |
| 213 |
.MYDOCS File Extension |
Send To My Documents |
| 214 |
.N81 File Extension |
Apple IOS Kernel Cache |
| 215 |
.N90 File Extension |
Apple IOS Kernel Cache |
| 216 |
.N90AP File Extension |
IPhone Jailbreak Firmware |
| 217 |
.NBH File Extension |
ROM Update Utility Image Format |
| 218 |
.NETWORKCONNECT File Extension |
Apple Network Connect Document |
| 219 |
.NLS File Extension |
Microsoft National Language Support Format |
| 220 |
.NOS File Extension |
JDOS System |
| 221 |
.NOT_TERMINATED File Extension |
Mac OS X Audit Log |
| 222 |
.NOVS File Extension |
Novell NetWare Control Center |
| 223 |
.NT File Extension |
Windows NT Startup Format |
| 224 |
.NTFS File Extension |
NTFS Partition Format |
| 225 |
.NU4 File Extension |
Norton Utilities DLL Root |
| 226 |
.NXS File Extension |
AdaOS Support Module Format |
| 227 |
.OS2 File Extension |
Os2 System |
| 228 |
.OSAX File Extension |
FindFile OSAX Mac Format Type |
| 229 |
.OSINSTALLMESSAGES File Extension |
MacOS System Data Format |
| 230 |
.OV1 File Extension |
Overlay |
| 231 |
.OV3 File Extension |
Overlay |
| 232 |
.OV4 File Extension |
Overlay |
| 233 |
.OV5 File Extension |
Overlay |
| 234 |
.P5X File Extension |
Windows System |
| 235 |
.PANIC File Extension |
Kernel Panic Format |
| 236 |
.PAYLOAD File Extension |
Microsoft Windows Mobile |
| 237 |
.PCI File Extension |
PCI Miniport |
| 238 |
.PDR File Extension |
Windows Port Driver |
| 239 |
.PF File Extension |
Windows Prefetch Format |
| 240 |
.PFX File Extension |
PKCS #12 Certificate Format |
| 241 |
.PK2 File Extension |
Silkroad Online Game Data Format |
| 242 |
.PNF File Extension |
Precompiled INF Format |
| 243 |
.PPD File Extension |
PostScript Printer Description Format |
| 244 |
.PR2 File Extension |
DBase IV Printer Driver |
| 245 |
.PREFPANE File Extension |
Mac OS X System Preference Pane |
| 246 |
.PRINTEREXPORT File Extension |
Windows Printer Migration Format |
| 247 |
.PROFILE File Extension |
Bash Shell Profile |
| 248 |
.PROVISIONPROFILE File Extension |
Apple Provision Profile |
| 249 |
.PWL File Extension |
Windows Password List |
| 250 |
.PXE File Extension |
Linux, Unix Network Bootable |
| 251 |
.QFILTER File Extension |
Mac OS X ColorSync Filter |
| 252 |
.QKY File Extension |
Quirky Kernel |
| 253 |
.QTS File Extension |
QuickTime System |
| 254 |
.QUICKTIMECOMPONENTS File Extension |
Mac OS X System |
| 255 |
.RC1 File Extension |
Samsung Mobile Device Firmware Format |
| 256 |
.RCO File Extension |
PlayStation Portable Resource Format |
| 257 |
.RDZ File Extension |
Mandrake Linux Install |
| 258 |
.REG File Extension |
Registry Format |
| 259 |
.REGTRANS-MS File Extension |
Registry Transaction Log Format |
| 260 |
.RESTORELIST File Extension |
Microsoft Windows Format System Permission Format |
| 261 |
.RFW File Extension |
Rockchip Firmware Format |
| 262 |
.RGU File Extension |
Microsoft Windows Mobile Registry Entry |
| 263 |
.RIO File Extension |
IBM AIX System |
| 264 |
.RISCOS File Extension |
Acorn RISC OS |
| 265 |
.RMT File Extension |
Router Firmware Format |
| 266 |
.RRA File Extension |
Windows Installer Temporary Format |
| 267 |
.RSQ File Extension |
IBM 4690 Operating System |
| 268 |
.RTP File Extension |
Microsoft Software Update Format |
| 269 |
.RWM File Extension |
Windows Imaging Resource Only |
| 270 |
.RX File Extension |
MS-DOS 7 |
| 271 |
.SAVEDSEARCH File Extension |
Spotlight Saved Search |
| 272 |
.SAVER File Extension |
Mac OS X Screen Saver |
| 273 |
.SBF File Extension |
Android System Format |
| 274 |
.SCAP File Extension |
EFI Firmware Format |
| 275 |
.SCF File Extension |
Windows Explorer Command |
| 276 |
.SCHEMAS File Extension |
GConf Schema Definition Format |
| 277 |
.SCR File Extension |
Windows Screensaver |
| 278 |
.SEARCHCONNECTOR-MS File Extension |
Windows Search Connector Format |
| 279 |
.SEARCHINDEXCACHE File Extension |
Mac OS X Cache |
| 280 |
.SERVICE File Extension |
Mac OS X Service Application |
| 281 |
.SF0 File Extension |
Windows Sytem Check |
| 282 |
.SFCACHE File Extension |
ReadyBoost Cache Format |
| 283 |
.SHA File Extension |
Unix SHAR Archive |
| 284 |
.SHD File Extension |
Windows Print Job Shadow Format |
| 285 |
.SHSH File Extension |
IPhone/iPod Touch SHSH Blob Format |
| 286 |
.SO.0 File Extension |
Unix Shared Library Format |
| 287 |
.SP3 File Extension |
Microsoft Windows XP With Service Pack 3 Installation Format |
| 288 |
.SPL File Extension |
Windows Print Spool Format |
| 289 |
.SPREPORTER File Extension |
Mac OS X System Profiler Reporter |
| 290 |
.SQM File Extension |
Service Quality Monitoring Format |
| 291 |
.SUPPORTED File Extension |
MAC OS X |
| 292 |
.SYS File Extension |
Windows System Format |
| 293 |
.TDZ File Extension |
Drobo Firmware Format |
| 294 |
.THA File Extension |
Windows Thai Noise-Words List Format |
| 295 |
.THEME File Extension |
Microsoft Plus! Desktop Theme |
| 296 |
.TNR File Extension |
GPS Pathfinder ProXR/XRS Firmware |
| 297 |
.TRX_DLL File Extension |
Windows Startup Format |
| 298 |
.UAQ File Extension |
Microsoft Windows Action Queue |
| 299 |
.UCE File Extension |
Windows UCE System Format |
| 300 |
.VCN File Extension |
NCDrive Vacon NX System Software |
| 301 |
.VET File Extension |
VET Antivirus System |
| 302 |
.VGA File Extension |
VGA Display Driver |
| 303 |
.VGD File Extension |
Generic CADD VGA Driver |
| 304 |
.VMLT File Extension |
VMLF Related Data Format |
| 305 |
.VRS File Extension |
Corel WordPerfect Video Resource Device Driver |
| 306 |
.VTD File Extension |
Microsoft Windows Custom Virtual Device Driver |
| 307 |
.VXD File Extension |
Virtual Device Driver |
| 308 |
.VX_ File Extension |
Compressed Virtual Device Driver Format |
| 309 |
.WDGT File Extension |
Dashboard Widget |
| 310 |
.WEBPNP File Extension |
Web Point And Print Format |
| 311 |
.WER File Extension |
Windows Error Report |
| 312 |
.WGZ File Extension |
S60 Web Runtime Widget Package |
| 313 |
.WRS File Extension |
Corel WordPerfect Windows Printer Driver |
| 314 |
.WSS File Extension |
Microsoft Windows Sound System |
| 315 |
.X86 File Extension |
Microsoft Office Dynamic Link Library Format |
| 316 |
.XMO File Extension |
Adobe Authorware Movie Driver |
| 317 |
.XMS File Extension |
Microsoft EXtended Memory Specification |
| 318 |
.XP File Extension |
WindowBlinds Temporary Format |
| 319 |
.XRM-MS File Extension |
Microsoft Security Certificate |
| 320 |
.ZEX File Extension |
ZOOM MRS-802 System |
| 321 |
.ZONE.IDENTIFIER File Extension |
Windows Zone Identifier Format |
| 322 |
._DL File Extension |
Dynamic Link Library DLL Format Form |
| 323 |
._VTI_BIN File Extension |
SharePoint |