.0
Shared Library Link File N/A
.000
Indexing Service Data File Microsoft
.2fs
Puppy Linux Save State File Puppy Linux
.386
Windows Virtual Device Driver Microsoft
.3fs
Puppy Linux Save State File Puppy Linux
.73u
TI-73 Explorer Operating System File Texas Instruments
.8xu
TI-83 Plus Operating System File Texas Instruments
.adm
Administrative Template File N/A
.adml
Group Policy Language-Specific Administrative Template Microsoft
.admx
Group Policy Administrative Template File Microsoft
.adv
Audio Driver File N/A
.aml
ACPI Machine Language File The ACPICA Project
.ani
Windows Animated Cursor Microsoft
.ann
Help Annotations N/A
.aos
ARCHOS PCtablet Firmware File ARCHOS
.asec
Android Secure Application File Google
.atahd
ATA Hard Drive Flag File Puppy Linux
.automaticdestinations-ms
Windows Jump List File Microsoft
.bashrc
Bash Non-Interactive Login Shell File The GNU Project
.bash_history
Bash History File The GNU Project
.bash_profile
Bash Interactive Login Shell File The GNU Project
.bcd
Windows Boot Configuration Data File Microsoft
.bin
Router Firmware File N/A
.bio
BIOS File N/A
.bk1
Windows Indexing Service File Microsoft
.bk2
Windows Indexing Service Data File Microsoft
.blf
CLFS Base Log File Microsoft
.bmk
Help Bookmarks Microsoft
.bom
Mac OS X Bill of Materials File Apple
.bud
Binary Printer Description File Microsoft
.c32
Syslinux COM32 Module Syslinux
.cab
Windows Cabinet File Microsoft
.cat
Windows Catalog File Microsoft
.cdmp
WCS Device Model Profile Microsoft
.cgz
Linux Drivers Archive N/A
.chg
Windows Net Logon File Microsoft
.chk
Netgear Router Firmware File Netgear
.chs
Windows Chinese Noise-Word List File Microsoft
.cht
Windows Chinese Traditional Noise-Word List File Microsoft
.ci
Windows Content Indexer Catalog File Microsoft
.clb
COM+ Catalog File Microsoft
.cnt
Help Contents File Microsoft
.configprofile
Apple Configuration Profile Apple
.cpi
Codepage Information File Microsoft
.cpl
Windows Control Panel Item Microsoft
.cpq
Compaq OEM Disc Configuration File Compaq
.cpr
Windows Phone Display Settings File Microsoft
.crash
Mac OS X Crash Log File Apple
.cur
Windows Cursor N/A
.dat
Windows Registry Hive File Microsoft
.desklink
Desktop Shortcut N/A
.deskthemepack
Windows 8 Desktop Theme Pack File Microsoft
.dev
Windows Device Driver File N/A
.dfu
iOS DFU File Apple
.diagcab
Troubleshooting Pack Cabinet File Microsoft
.diagcfg
Troubleshooting Pack Configuration File Microsoft
.diagpkg
Troubleshooting Pack File Microsoft
.dimax
DiMAX Firmware Image File Massoth Electronics
.dit
Active Directory Information Tree File Microsoft
.dll
Dynamic Link Library Microsoft
.dlx
Renamed DLL File Microsoft
.dmp
Windows Memory Dump Microsoft
.drpm
Delta RPM File The Fedora Project
.drv
Device Driver N/A
.dss
DCC Active Designer File N/A
.dvd
DOS Device Driver N/A
.dyc
Xerox Printer Driver Configuration File Xerox
.ebd
Windows EBD System File Microsoft
.edj
Enlightenment Theme File Enlightenment.org
.efi
Extensible Firmware Interface File UEFI Forum
.efires
EFI Image File Apple
.elf
Executable and Linkable Format File Unix System Laboratories
.emerald
Emerald Theme Compiz Fusion
.etl
Microsoft Event Trace Log File Microsoft
.evt
Windows Event Viewer Log File Microsoft
.evtx
Windows 7 Event Log File Microsoft
.ffa
Find Fast Status File Microsoft
.ffl
Find Fast Document List Microsoft
.ffo
Find Fast Document Properties Cache Microsoft
.ffx
Microsoft Find Fast Index Microsoft
.fid
Microsoft Catalog Indexing Service File Microsoft
.flg
Puppy Linux Partition Flag File Puppy Linux
.fota
Firmware Over-the-Air File Google
.fpbf
Mac OS X Burn Folder Apple
.ftg
Full Text Group N/A
.fts
Full Text Search N/A
.fx
ReadyBoot Trace File Microsoft
.gmmp
WCS Gamut Map Model Profile Microsoft
.grl
Windows Update Status File Microsoft
.group
Windows Contacts Group File Microsoft
.grp
Windows Program Manager Group Microsoft
.h1s
Windows Assistance Platform Help File Microsoft
.hdmp
Windows Heap Dump Microsoft
.help
Mac OS X Help Book Apple
.hhc
HTML Help Table of Contents Microsoft
.hhk
HTML Help Index Microsoft
.hiv
Windows Registry Hive File Microsoft
.hlp
Windows Help File Microsoft
.hpj
Help Project File Microsoft
.hsh
Windows Catalog Search Index File Microsoft
.htt
Hypertext Template File Microsoft
.icl
Windows Icon Library File Microsoft
.icns
Mac OS X Icon Resource File Apple
.ico
Icon File N/A
.iconpackage
IconPackager Theme File Stardock
.idx
Index File N/A
.ifw
INTUS Firmware File PCS Systemtechnik
.ime
Windows Input Method Editor File Microsoft
.img3
iPhone IMG3 File Apple
.inf_loc
Windows Driver Information Cache File Microsoft
.ins
Internet Naming Service File Microsoft
.internetconnect
Apple Internet Connect Document Apple
.ion
File Description File N/A
.ioplist
Mac OS X IOPLIST File Apple
.ipod
Rockbox Firmware File Rockbox
.iptheme
IconPackager Raw Theme File Stardock
.itemdata-ms
Windows 8 Start Screen Item Data File Microsoft
.its
Internet Document Set Microsoft
.ius
InfoTMIC Firmware Update File Shanghai InfoTM Microelectronics
.job
Windows Task Scheduler Job File Microsoft
.jpn
Windows Japanese Noise-Word List File Microsoft
.kbd
Keyboard Layout Script N/A
.kext
Mac OS X Kernel Extension N/A
.key
Security Key N/A
.ko
Linux Kernel Module File N/A
.kor
Windows Korean Noise-Words List File Microsoft
.ks
Kickstart File N/A
.lfs
Samsung Phone params.lfs File Samsung
.library-ms
Windows Library Description File Microsoft
.lnk
Windows File Shortcut Microsoft
.lockfile
Mac OS X PLIST Lock File Apple
.log1
Windows Registry Hive Log File Microsoft
.log2
Windows Registry Hive Log 2 File Microsoft
.lpd
Lookout Protocol Driver File National Instruments
.lst
GRUB Boot List File The GNU Project
.manifest
Windows Application Manifest File Microsoft
.mapimail
Send To Mail Recipient N/A
.mbr
Master Boot Record File N/A
.mdmp
Windows Minidump Microsoft
.me
Puppy Linux Partition Flag File Puppy Linux
.mem
Parallels Desktop Memory Dump File Parallels
.metadata_never_index
Spotlight Never Index File Apple
.mi4
Audio Player Firmware File NVIDIA
.mlc
Microsoft Language Interface Pack Microsoft
.mobileconfig
Apple Mobile Configuration File Apple
.mod
GRUB Module The GNU Project
.msc
Microsoft Management Console Snap-in Control File Microsoft
.msp
Windows Installer Patch Microsoft
.msstyle
Windows XP Unsigned Style N/A
.msstyles
Windows XP Style Microsoft
.mtz
MIUI Theme MIUI
.mui
Multilingual User Interface File Microsoft
.mui_cccd5ae0
Hid User Library Microsoft
.mum
Windows Vista Update Package Microsoft
.mydocs
Send To My Documents N/A
.nb0
Device Boot Loader Image N/A
.nbh
ROM Update Utility Image File N/A
.networkconnect
Apple Network Connect Document Apple
.nfo
System Information File Microsoft
.nls
Microsoft National Language Support File Microsoft
.nt
Windows NT Startup File Microsoft
.ntfs
NTFS Partition File N/A
.panic
Kernel Panic File N/A
.pat
DiskStation Manager Installation File Synology
.pck
System Center Configuration Manager Package File Microsoft
.pdr
Windows Port Driver N/A
.pfx
PKCS #12 Certificate File N/A
.pid
Creative Driver File Creative
.pit
Samsung Phone Firmware File Samsung
.pk2
Silkroad Online Game Data File Joymax
.pnf
Precompiled INF File N/A
.pol
Windows Policy File Microsoft
.ppd
PostScript Printer Description File Adobe Systems
.ppm
Post Programmable Memory File N/A
.prefpane
Mac OS X System Preference Pane Apple
.prf
Windows System File N/A
.printerexport
Windows Printer Migration File Microsoft
.profile
Bash Shell Profile The GNU Project
.provisionprofile
Apple Provision Profile Apple
.prt
Printer Driver File N/A
.ps1
Microsoft Indexing Service Data File Microsoft
.ps2
Microsoft Search Catalog Index File Microsoft
.pwl
Windows Password List Microsoft
.qky
Quirky Kernel N/A
.qvm
Q Virtual Machine Q
.rc1
Samsung Mobile Device Firmware File Samsung
.rc2
Samsung Mobile Device Firmware File Samsung
.rco
PlayStation Portable Resource File Sony
.reg
Registry File Microsoft
.regtrans-ms
Registry Transaction Log File Microsoft
.rfw
Rockchip Firmware File Fuzhou Rockchip Electronics
.rmt
Router Firmware File N/A
.rs
Windows Rating System File Microsoft
.ruf
Samsung DVD and Blu-ray Player Firmware File Samsung
.savedsearch
Spotlight Saved Search Apple
.saver
Mac OS X Screen Saver Apple
.sb
Slax Bundle Slax
.sbf
Android System File N/A
.sbn
Cisco IP Phone Firmware File Cisco Systems
.scap
EFI Firmware File N/A
.scf
Windows Explorer Command N/A
.schemas
GConf Schema Definition File The GNOME Project
.scr
Windows Screensaver Microsoft
.sdb
Custom Application Compatibility Database Microsoft
.sdt
Siemens Desktop Theme File Siemens
.searchconnector-ms
Windows Search Connector File Microsoft
.sfcache
ReadyBoost Cache File Microsoft
.shd
Windows Print Job Shadow File Microsoft
.shsh
iPhone/iPod Touch SHSH Blob File Apple
.so.0
Unix Shared Library File N/A
.spl
Windows Print Spool File Microsoft
.sqm
Service Quality Monitoring File Microsoft
.str
Windows Screensaver File N/A
.swp
Swap File N/A
.sys
Windows System File Microsoft
.tdz
Drobo Firmware File Drobo
.tha
Windows Thai Noise-Words List File Microsoft
.theme
Microsoft Plus! Desktop Theme Microsoft
.trx_dll
Windows Startup File Microsoft
.uce
Windows UCE System File Microsoft
.vga
VGA Display Driver N/A
.vgd
Generic CADD VGA Driver N/A
.vxd
Virtual Device Driver N/A
.vx_
Compressed Virtual Device Driver File Microsoft
.wdf
Windows Driver Foundation File Microsoft
.wdgt
Dashboard Widget Apple
.webpnp
Web Point and Print File Microsoft
.wer
Windows Error Report Microsoft
.wgz
S60 Web Runtime Widget Package Nokia
.wph
Phoenix BIOS File N/A
.wpx
Printer Description File Microsoft
.xrm-ms
Microsoft Security Certificate Microsoft
.zone.identifier
Windows Zone Identifier File Microsoft