Files in System Files category

File extension	Full name
0 File Extension	Shared Library Link File
000 File Extension	Indexing Service Data File
2FS File Extension	Puppy Linux Save State File
386 File Extension	Windows Virtual Device Driver
3FS File Extension	Puppy Linux Save State File
73U File Extension	TI-73 Explorer Operating System File
8XU File Extension	TI-83 Plus Operating System File
ADM File Extension	Administrative Template File
ADML File Extension	Microsoft administrative language-specific XML template file
ADMX File Extension	Group Policy Administrative Template File
ADV File Extension	Audio Driver File
AML File Extension	Microsoft Assistance Markup Language
ANI File Extension	Animated cursor
ANN File Extension	Help Annotations
AOS File Extension	ARCHOS PCtablet Firmware File
ASEC File Extension	Android Secure Application File
ATAHD File Extension	ATA Hard Drive Flag File
AUTOMATICDESTINATIONS-MS File Extension	Windows Jump List File
BASHRC File Extension	Bash Non-Interactive Login Shell File
BASH_HISTORY File Extension	Bash History File
BASH_PROFILE File Extension	Bash Interactive Login Shell File
BCD File Extension	Windows Boot Configuration Data File
BIN File Extension	Router Firmware File
BIO File Extension	BIOS File
BK1 File Extension	Windows Indexing Service File
BK2 File Extension	Windows Indexing Service Data File
BLF File Extension	Microsoft Windows Vista and Windows 7 registry file
BMK File Extension	Help Bookmarks
BOM File Extension	Mac OS X Bill of Materials File
BUD File Extension	Binary Printer Description File
C32 File Extension	Syslinux COM32 Module
CAB File Extension	Windows Cabinet File
CAT File Extension	Microsoft Security Catalog file
CDMP File Extension	WCS Device Model Profile
CGZ File Extension	Linux Drivers Archive
CHK File Extension	Netgear Router Firmware File
CHS File Extension	Windows Chinese Noise-Word List File
CHT File Extension	Windows Chinese Traditional Noise-Word List File
CNS File Extension	Windows 2000 Client Connection Manager Export file
CNT File Extension	Help Contents File
CONFIGPROFILE File Extension	Apple Configuration Profile
CPI File Extension	Codepage Information File
CPL File Extension	Windows Control Panel Item
CPQ File Extension	Compaq OEM Disc Configuration File
CPR File Extension	Windows Phone Display Settings File
CRASH File Extension	Mac OS X Crash Log File
CUR File Extension	Windows Cursor
DAT File Extension	Windows Registry Hive File
DESKLINK File Extension	Desktop Shortcut
DESKTHEMEPACK File Extension	Windows 8 Desktop Theme Pack File
DEV File Extension	Windows Device Driver File
DFU File Extension	iOS DFU File
DIAGCAB File Extension	Troubleshooting Pack Cabinet File
DIAGCFG File Extension	Troubleshooting Pack Configuration File
DIAGPKG File Extension	Troubleshooting Pack File
DIMAX File Extension	DiMAX Firmware Image File
DIT File Extension	Active Directory Information Tree File
DLL File Extension	Dynamic Link Library
DLX File Extension	Renamed DLL File
DMP File Extension	Windows Memory Dump
DRPM File Extension	Delta RPM File
DRV File Extension	Device Driver
DSS File Extension	DCC Active Designer File
DVD File Extension	DOS Device Driver
DYC File Extension	Xerox Printer Driver Configuration File
EBD File Extension	Windows EBD System File
EDJ File Extension	Enlightenment Theme File
EFI File Extension	Extensible Firmware Interface File
EFIRES File Extension	EFI Image File
EMERALD File Extension	Emerald Theme
ETL File Extension	Microsoft Event Trace Log File
EVT File Extension	Windows Event Viewer Log File
EVTX File Extension	Windows 7 Event Log File
FFA File Extension	Find Fast Status File
FFL File Extension	Find Fast Document List
FFO File Extension	Find Fast Document Properties Cache
FFX File Extension	Microsoft Find Fast Index
FID File Extension	Microsoft Catalog Indexing Service File
FLG File Extension	Puppy Linux Partition Flag File
FOTA File Extension	Firmware Over-the-Air File
FPBF File Extension	Mac OS X Burn Folder
FTG File Extension	Full Text Group
FX File Extension	ReadyBoot Trace File
GMMP File Extension	WCS Gamut Map Model Profile
GRL File Extension	Windows Update Status File
GROUP File Extension	Windows Contacts Group File
GRP File Extension	Windows Program Manager Group
H1S File Extension	Windows Assistance Platform Help File
HDMP File Extension	Windows Heap Dump
HELP File Extension	Mac OS X Help Book
HHC File Extension	HTML Help Table of Contents
HHK File Extension	HTML Help Index
HIV File Extension	Windows Registry Hive File
HLP File Extension	Windows Help File
HPJ File Extension	Help Project File
HSH File Extension	Windows Catalog Search Index File
HTT File Extension	Hypertext Template File
ICL File Extension	Windows Icon Library File
ICNS File Extension	Mac OS X Icon Resource File
ICO File Extension	Icon File
ICONPACKAGE File Extension	IconPackager Theme File
IFW File Extension	INTUS Firmware File
IME File Extension	Windows Input Method Editor File
IMG3 File Extension	iPhone IMG3 File
INF_LOC File Extension	Windows Driver Information Cache File
INS File Extension	Internet Naming Service File
INTERNETCONNECT File Extension	Apple Internet Connect Document
ION File Extension	File Description File
IOPLIST File Extension	Mac OS X IOPLIST File
IPOD File Extension	Rockbox Firmware File
IPTHEME File Extension	IconPackager Raw Theme File
ITEMDATA-MS File Extension	Windows 8 Start Screen Item Data File
ITS File Extension	Internet Document Set
IUS File Extension	InfoTMIC Firmware Update File
JOB File Extension	Windows Task Scheduler Job File
JPN File Extension	Windows Japanese Noise-Word List File
KBD File Extension	Keyboard Layout Script
KEXT File Extension	Mac OS X Kernel Extension
KEY File Extension	Security Key
KO File Extension	Linux Kernel Module File
KOR File Extension	Windows Korean Noise-Words List File
LFS File Extension	Samsung Phone params.lfs File
LIBRARY-MS File Extension	Windows Library Description File
LNK File Extension	Windows File Shortcut
LOCKFILE File Extension	Mac OS X PLIST Lock File
LOG1 File Extension	Windows Registry Hive Log File
LOG2 File Extension	Windows Registry Hive Log 2 File
LPD File Extension	Lookout Protocol Driver File
LST File Extension	GRUB Boot List File
MANIFEST File Extension	Windows Application Manifest File
MAPIMAIL File Extension	Send To Mail Recipient
MBR File Extension	Master Boot Record File
MDMP File Extension	Windows Minidump
ME File Extension	Puppy Linux Partition Flag File
MEM File Extension	Parallels Desktop Memory Dump File
METADATA_NEVER_INDEX File Extension	Spotlight Never Index File
MI4 File Extension	Audio Player Firmware File
MLC File Extension	Microsoft Language Interface Pack
MOBILECONFIG File Extension	Apple Mobile Configuration File
MOD File Extension	GRUB Module
MSC File Extension	Microsoft Management Console Snap-in Control File
MSP File Extension	Windows Installer Patch
MSSTYLE File Extension	Windows XP Unsigned Style
MSSTYLES File Extension	Windows XP Style
MTZ File Extension	MIUI Theme
MUI File Extension	Multilingual User Interface File
MUI_CCCD5AE0 File Extension	Hid User Library
MUM File Extension	Windows Vista Update Package
MYDOCS File Extension	Send To My Documents
NBH File Extension	ROM Update Utility Image File
NETWORKCONNECT File Extension	Apple Network Connect Document
NFO File Extension	System Information File
NLS File Extension	Microsoft National Language Support File
NT File Extension	Windows NT Startup File
NTFS File Extension	NTFS Partition File
OSAX File Extension	FindFile OSAX mac file type
PANIC File Extension	Kernel Panic File
PAT File Extension	DiskStation Manager Installation File
PDR File Extension	Windows Port Driver
PF File Extension	Windows prefetch file
PFX File Extension	PKCS #12 Certificate File
PID File Extension	Creative Driver File
PIT File Extension	Samsung Phone Firmware File
PK2 File Extension	Silkroad Online Game Data File
PNF File Extension	Precompiled INF File
PPD File Extension	PostScript Printer Description File
PPM File Extension	Post Programmable Memory File
PREFPANE File Extension	Mac OS X System Preference Pane
PRF File Extension	Windows System File
PRINTEREXPORT File Extension	Windows Printer Migration File
PROFILE File Extension	Bash Shell Profile
PROVISIONPROFILE File Extension	Apple Provision Profile
PRT File Extension	Printer Driver File
PS1 File Extension	Microsoft Indexing Service Data File
PS2 File Extension	Microsoft Search Catalog Index File
PWL File Extension	Windows Password List
QKY File Extension	Quirky Kernel
QVM File Extension	Q Virtual Machine
RC1 File Extension	Samsung Mobile Device Firmware File
RC2 File Extension	Samsung Mobile Device Firmware File
RCO File Extension	PlayStation Portable Resource File
REG File Extension	Registry File
REGTRANS-MS File Extension	Registry Transaction Log File
RFW File Extension	Rockchip Firmware File
RMT File Extension	Router Firmware File
RRA File Extension	Windows Installer temporary file file
RS File Extension	Windows Rating System File
RTP File Extension	Microsoft software update file
SAVEDSEARCH File Extension	Spotlight Saved Search
SAVER File Extension	Mac OS X Screen Saver
SB File Extension	Slax Bundle
SBF File Extension	Android System File
SBN File Extension	Cisco IP Phone Firmware File
SCAP File Extension	EFI Firmware File
SCF File Extension	Windows Explorer Command
SCHEMAS File Extension	GConf Schema Definition File
SCR File Extension	Windows Screensaver
SDT File Extension	Siemens Desktop Theme File
SEARCHCONNECTOR-MS File Extension	Windows Search Connector File
SFCACHE File Extension	ReadyBoost Cache File
SHD File Extension	Windows Print Job Shadow File
SHSH File Extension	iPhone/iPod Touch SHSH Blob File
SO0 File Extension	Unix Shared Library File
SP3 File Extension	Microsoft Windows XP with Service Pack 3 installation file
SPL File Extension	Windows Print Spool File
SQM File Extension	Service Quality Monitoring File
STR File Extension	Windows Screensaver File
SWP File Extension	Swap File
SYS File Extension	Windows System File
TDZ File Extension	Drobo Firmware File
THA File Extension	Windows Thai Noise-Words List File
THEME File Extension	Microsoft Plus! Desktop Theme
TRX_DLL File Extension	Windows Startup File
UCE File Extension	Windows UCE System File
VGA File Extension	VGA Display Driver
VGD File Extension	Generic CADD VGA Driver
VXD File Extension	Virtual Device Driver
VX_ File Extension	Compressed Virtual Device Driver File
WDF File Extension	Windows Driver Foundation File
WDGT File Extension	Dashboard Widget
WEBPNP File Extension	Web Point and Print File
WER File Extension	Windows Error Report
WGZ File Extension	S60 Web Runtime Widget Package
WPX File Extension	Printer Description File
XP File Extension	WindowBlinds temporary file
XRM-MS File Extension	Microsoft Security Certificate
ZONEIDENTIFIER File Extension	Windows Zone Identifier File