All System File Formats,Types,Extensions,Viewer,Opener
TOTAL
Extensions

224

Total Extension Name
TOTAL
Type

224

Total Extension Type
Browse Extensions
Extension Name Extension Type Category Dev.Company File Format
.2FS File Extension Puppy Linux Save State File System Puppy Linux Binary
.000 File Extension Indexing Service Data File System Microsoft Binary
.73U File Extension TI-73 Explorer Operating System File System Texas Instruments Binary
.8CU File Extension TI-84 Plus C Operating System File System Texas Instruments Unknown
.3FS File Extension Puppy Linux Save State File System Puppy Linux Binary
.8XU File Extension TI-83 and TI-84 Plus Operating System File System Texas Instruments Binary
.386 File Extension Windows Virtual Device Driver System Microsoft Unknown
.ANI File Extension Windows Animated Cursor System Microsoft Binary
.AML File Extension ACPI Machine Language File System The ACPICA Project Binary
.ADV File Extension Audio Driver File System N/A Binary
.ADMX File Extension Group Policy Administrative Template File System Microsoft Binary
.ADM File Extension Administrative Template File System N/A Unknown
.AUTOMATICDESTINATIONS-MS File Extension Windows Jump List File System Microsoft Binary
.ANN File Extension Help Annotations System N/A Unknown
.AOS File Extension ARCHOS PCtablet Firmware File System ARCHOS Binary
.ATAHD File Extension ATA Hard Drive Flag File System Puppy Linux Unknown
.CUR File Extension Windows Cursor System N/A Binary
.CPL File Extension Windows Control Panel Item System Microsoft Unknown
.CAB File Extension Windows Cabinet File System Microsoft Binary
.CPI File Extension Codepage Information File System Microsoft Unknown
.CAT File Extension Windows Catalog File System Microsoft Binary
.C32 File Extension Syslinux COM32 Module System Syslinux Binary
.CGZ File Extension Linux Drivers Archive System N/A Unknown
.CHK File Extension Netgear Router Firmware File System Netgear Unknown
.CRASH File Extension Mac OS X Crash Log File System Apple Text
.CNT File Extension Help Contents File System Microsoft Text
.CLB File Extension COM+ Catalog File System Microsoft Binary
.CDMP File Extension WCS Device Model Profile System Microsoft Text
.CHT File Extension Windows Chinese Traditional Noise-Word List File System Microsoft Text
.CHG File Extension Windows Net Logon File System Microsoft Unknown
.CPQ File Extension Compaq OEM Disc Configuration File System Compaq Text
.CHS File Extension Windows Chinese Noise-Word List File System Microsoft Text
.DESKTHEMEPACK File Extension Windows 8 Desktop Theme Pack File System Microsoft Binary
.DRV File Extension Device Driver System N/A Binary
.DAT File Extension Windows Registry Hive File System Microsoft Binary
.DLX File Extension Renamed DLL File System Microsoft Binary
.DSS File Extension DCC Active Designer File System N/A Unknown
.DIAGCAB File Extension Troubleshooting Pack Cabinet File System Microsoft Binary
.DIT File Extension Active Directory Information Tree File System Microsoft Binary
.DESKLINK File Extension Desktop Shortcut System N/A Unknown
.DVD File Extension DOS Device Driver System N/A Unknown
.DFU File Extension iOS DFU File System Apple Binary
.DEV File Extension Windows Device Driver File System N/A Binary
.DIAGPKG File Extension Troubleshooting Pack File System Microsoft Unknown
.DIAGCFG File Extension Troubleshooting Pack Configuration File System Microsoft Unknown
.DYC File Extension Xerox Printer Driver Configuration File System Xerox Binary
.DIMAX File Extension DiMAX Firmware Image File System Massoth Electronics Binary
.ELF File Extension Executable and Linkable Format File System Unix System Laboratories Binary
.ETL File Extension Microsoft Event Trace Log File System Microsoft Binary
.EVTX File Extension Windows 7 Event Log File System Microsoft Binary
.EVT File Extension Windows Event Viewer Log File System Microsoft Binary
.EBD File Extension Windows EBD System File System Microsoft Binary
.ESCOPY File Extension ES Explorer Temporary File System ES APP Group Unknown
.EFIRES File Extension EFI Image File System Apple Binary
.EMERALD File Extension Emerald Theme System Compiz Fusion Unknown
.FPBF File Extension Mac OS X Burn Folder System Apple Unknown
.FFX File Extension Microsoft Find Fast Index System Microsoft Unknown
.FFA File Extension Find Fast Status File System Microsoft Unknown
.FFL File Extension Find Fast Document List System Microsoft Unknown
.FTG File Extension Full Text Group System N/A Unknown
.FTS File Extension Full Text Search System N/A Unknown
.FID File Extension Microsoft Catalog Indexing Service File System Microsoft Binary
.GROUP File Extension Windows Contacts Group File System Microsoft Binary
.GRP File Extension Windows Program Manager Group System Microsoft Unknown
.GMMP File Extension WCS Gamut Map Model Profile System Microsoft Binary
.GRL File Extension Windows Update Status File System Microsoft Unknown
.HLP File Extension Windows Help File System Microsoft Binary
.HELP File Extension Mac OS X Help Book System Apple Binary
.HIV File Extension Windows Registry Hive File System Microsoft Unknown
.H1S File Extension Windows Assistance Platform Help File System Microsoft Binary
.HHC File Extension HTML Help Table of Contents System Microsoft Unknown
.HHK File Extension HTML Help Index System Microsoft Unknown
.HTT File Extension Hypertext Template File System Microsoft Unknown
.HDMP File Extension Windows Heap Dump System Microsoft Unknown
.HSH File Extension Windows Catalog Search Index File System Microsoft Binary
.INS File Extension Internet Naming Service File System Microsoft Unknown
.IDX File Extension Index File System N/A Unknown
.ICONPACKAGE File Extension IconPackager Theme File System Stardock Binary
.IMG3 File Extension iPhone IMG3 File System Apple Binary
.IUS File Extension InfoTMIC Firmware Update File System Shanghai InfoTM Microelectronics Binary
.ITEMDATA-MS File Extension Windows 8 Start Screen Item Data File System Microsoft Binary
.ICL File Extension Windows Icon Library File System Microsoft Binary
.IME File Extension Windows Input Method Editor File System Microsoft Binary
.IPTHEME File Extension IconPackager Raw Theme File System Stardock Binary
.ITS File Extension Internet Document Set System Microsoft Unknown
.IPOD File Extension Rockbox Firmware File System Rockbox Binary
.IOPLIST File Extension Mac OS X IOPLIST File System Apple Text
.JOB File Extension Windows Task Scheduler Job File System Microsoft Binary
.JPN File Extension Windows Japanese Noise-Word List File System Microsoft Text
.KO File Extension Linux Kernel Module File System N/A Binary
.KBD File Extension Keyboard Layout Script System N/A Unknown
.KEXT File Extension Mac OS X Kernel Extension System N/A Binary
.KS File Extension Kickstart File System N/A Text
.KOR File Extension Windows Korean Noise-Words List File System Microsoft Text
.LNK File Extension Windows File Shortcut System Microsoft Binary
.LST File Extension GRUB Boot List File System The GNU Project Text
.LIBRARY-MS File Extension Windows Library Description File System Microsoft Text
.LPD File Extension Lookout Protocol Driver File System National Instruments Binary
.LPD File Extension LPD Daemon Print Permissions File System N/A Text
.LFS File Extension Samsung Phone params.lfs File System Samsung Binary
.MOD File Extension GRUB Module System The GNU Project Unknown
.MSP File Extension Windows Installer Patch System Microsoft Binary
.MTZ File Extension MIUI Theme System MIUI Binary
.MBR File Extension Master Boot Record File System N/A Binary
.MI4 File Extension Audio Player Firmware File System NVIDIA Binary
.MUM File Extension Windows Vista Update Package System Microsoft Unknown
.MLC File Extension Microsoft Language Interface Pack System Microsoft Binary
.MOBILECONFIG File Extension Apple Mobile Configuration File System Apple Unknown
.MSSTYLES File Extension Windows XP Style System Microsoft Unknown
.MUI File Extension Multilingual User Interface File System Microsoft Binary
.MSC File Extension Microsoft Management Console Snap-in Control File System Microsoft XML
.MAPIMAIL File Extension Send To Mail Recipient System N/A Unknown
.MYDOCS File Extension Send To My Documents System N/A Unknown
.MEM File Extension Parallels Desktop Memory Dump File System Parallels Binary
.MANIFEST File Extension Windows Application Manifest File System Microsoft XML
.MUI_CCCD5AE0 File Extension Hid User Library System Microsoft Text and Binary
.MSSTYLE File Extension Windows XP Unsigned Style System N/A Unknown
.ME File Extension Puppy Linux Partition Flag File System Puppy Linux Unknown
.NLS File Extension Microsoft National Language Support File System Microsoft Binary
.NT File Extension Windows NT Startup File System Microsoft Unknown
.NBH File Extension ROM Update Utility Image File System N/A Binary
.NTFS File Extension NTFS Partition File System N/A Binary
.ODEX File Extension Optimized Dalvik Executable System N/A Binary
.PRF File Extension Windows System File System N/A Unknown
.PFX File Extension PKCS #12 Certificate File System N/A Unknown
.PRT File Extension Printer Driver File System N/A Unknown
.PPM File Extension Post Programmable Memory File System N/A Binary
.PCK File Extension System Center Configuration Manager Package File System Microsoft Binary
.PAT File Extension DiskStation Manager Installation File System Synology Binary
.PNF File Extension Precompiled INF File System N/A Unknown
.PREFPANE File Extension Mac OS X System Preference Pane System Apple Unknown
.PWL File Extension Windows Password List System Microsoft Binary
.POL File Extension Windows Policy File System Microsoft Binary
.PPD File Extension PostScript Printer Description File System Adobe Systems Unknown
.PK2 File Extension Silkroad Online Game Data File System Joymax Unknown
.PS2 File Extension Microsoft Search Catalog Index File System Microsoft Binary
.PANIC File Extension Kernel Panic File System N/A Text
.PID File Extension Creative Driver File System Creative Unknown
.PRINTEREXPORT File Extension Windows Printer Migration File System Microsoft Binary
.PIT File Extension Samsung Phone Firmware File System Samsung Binary
.QVM File Extension Q Virtual Machine System Q Unknown
.QKY File Extension Quirky Kernel System N/A Unknown
.REG File Extension Registry File System Microsoft Unknown
.RFW File Extension Rockchip Firmware File System Fuzhou Rockchip Electronics Binary
.REGTRANS-MS File Extension Registry Transaction Log File System Microsoft Binary
.RMT File Extension Router Firmware File System N/A Binary
.RC2 File Extension Samsung Mobile Device Firmware File System Samsung Binary
.RS File Extension Windows Rating System File System Microsoft Binary
.RCO File Extension PlayStation Portable Resource File System Sony Binary
.RC1 File Extension Samsung Mobile Device Firmware File System Samsung Binary
.RUF File Extension Samsung DVD and Blu-ray Player Firmware File System Samsung Binary
.SYS File Extension Windows System File System Microsoft Text and Binary
.SYS File Extension Motorola Driver File System Motorola Unknown
.SBN File Extension Cisco IP Phone Firmware File System Cisco Systems Binary
.SWP File Extension Swap File System N/A Binary
.SCF File Extension Windows Explorer Command System N/A Unknown
.SCR File Extension Windows Screensaver System Microsoft Binary
.SHD File Extension Windows Print Job Shadow File System Microsoft Binary
.SPL File Extension Windows Print Spool File System Microsoft Binary
.SB File Extension Slax Bundle System Slax Binary
.SBF File Extension Android System File System N/A Binary
.SHSH File Extension iPhone/iPod Touch SHSH Blob File System Apple Binary
.SEARCHCONNECTOR-MS File Extension Windows Search Connector File System Microsoft Text
.STR File Extension Windows Screensaver File System N/A Unknown
.SAVER File Extension Mac OS X Screen Saver System Apple Unknown
.SFCACHE File Extension ReadyBoost Cache File System Microsoft Unknown
.SCHEMAS File Extension GConf Schema Definition File System The GNOME Project Text
.SCAP File Extension EFI Firmware File System N/A Binary
.TRX_DLL File Extension Windows Startup File System Microsoft Unknown
.TDZ File Extension Drobo Firmware File System Drobo Binary
.UCE File Extension Windows UCE System File System Microsoft Binary
.VXD File Extension Virtual Device Driver System N/A Unknown
.VGD File Extension Generic CADD VGA Driver System N/A Unknown
.VGA File Extension VGA Display Driver System N/A Unknown
.VX_ File Extension Compressed Virtual Device Driver File System Microsoft Binary
.WDGT File Extension Dashboard Widget System Apple Zip
.WEBPNP File Extension Web Point and Print File System Microsoft Binary
.WGZ File Extension S60 Web Runtime Widget Package System Nokia Zip
.WER File Extension Windows Error Report System Microsoft Unknown
.XFB File Extension Xserve RAID Firmware Binary File System Apple Binary
.ZONE.IDENTIFIER File Extension Windows Zone Identifier File System Microsoft Unknown
.BASH_HISTORY File Extension Bash History File System The GNU Project Text
.BCD File Extension Windows Boot Configuration Data File System Microsoft Binary
.BLF File Extension CLFS Base Log File System Microsoft Binary
.BMK File Extension Help Bookmarks System Microsoft Unknown
.BOM File Extension Mac OS X Bill of Materials File System Apple Binary
.BK1 File Extension Windows Indexing Service File System Microsoft Binary
.ASEC File Extension Android Secure Application File System Google Binary
.ADML File Extension Group Policy Language-Specific Administrative Template System Microsoft Text
.CONFIGPROFILE File Extension Apple Configuration Profile System Apple Unknown
.DMP File Extension Windows Memory Dump System Microsoft Binary
.DRPM File Extension Delta RPM File System The Fedora Project Binary
.EDJ File Extension Enlightenment Theme File System Enlightenment.org Binary
.EFI File Extension Extensible Firmware Interface File System UEFI Forum Binary
.FX File Extension ReadyBoot Trace File System Microsoft Binary
.FOTA File Extension Firmware Over-the-Air File System Google Unknown
.HPJ File Extension Help Project File System Microsoft Unknown
.ICO File Extension Icon File System N/A Binary
.ICNS File Extension Mac OS X Icon Resource File System Apple Binary
.INF_LOC File Extension Windows Driver Information Cache File System Microsoft Text
.IDI File Extension EVA Controller Event Log System Hewlett-Packard Binary
.ION File Extension File Description File System N/A Text
.IFW File Extension INTUS Firmware File System PCS Systemtechnik Binary
.INTERNETCONNECT File Extension Apple Internet Connect Document System Apple Unknown
.LOG2 File Extension Windows Registry Hive Log 2 File System Microsoft Binary
.LOG1 File Extension Windows Registry Hive Log File System Microsoft Binary
.LOCKFILE File Extension Mac OS X PLIST Lock File System Apple Unknown
.MDMP File Extension Windows Minidump System Microsoft Binary
.MBN File Extension Multi Boot Image System N/A Binary
.METADATA_NEVER_INDEX File Extension Spotlight Never Index File System Apple Unknown
.NB0 File Extension Device Boot Loader Image System N/A Binary
.NETWORKCONNECT File Extension Apple Network Connect Document System Apple Unknown
.PS1 File Extension Microsoft Indexing Service Data File System Microsoft Binary
.PROP File Extension Android Build Properties File System Android Text
.PROVISIONPROFILE File Extension Apple Provision Profile System Apple Binary
.SAVEDSEARCH File Extension Spotlight Saved Search System Apple Unknown
.THA File Extension Windows Thai Noise-Words List File System Microsoft Text
.WPH File Extension Phoenix BIOS File System N/A Binary
.XRM-MS File Extension Microsoft Security Certificate System Microsoft Unknown
.BASH_PROFILE File Extension Bash Interactive Login Shell File System The GNU Project Text
.BASHRC File Extension Bash Non-Interactive Login Shell File System The GNU Project Text
.BUD File Extension Binary Printer Description File System Microsoft Binary
.BK2 File Extension Windows Indexing Service Data File System Microsoft Binary
.SO.0 File Extension Unix Shared Library File System N/A Binary


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