System Files Extensions

.hhk

HTML Help Index

.hhc

HTML Help Table of Contents

.hpj

Help Project File

.hcd

Samsung Android Firmware File

.hsh

Windows Catalog Search Index File

.ico

Icon File

.icns

Mac OS X Icon Resource File

.ins

Internet Naming Service File

.idx

Index File

.iconpackage

IconPackager Theme File

.inf_loc

Windows Driver Information Cache File

.idi

EVA Controller Event Log

.itemdata-ms

Windows 8 Start Screen Item Data File

.img3

iPhone IMG3 File

.ius

InfoTMIC Firmware Update File

.ion

File Description File

.icl

Windows Icon Library File

.im4p

IMG4 Payload File

.ime

Windows Input Method Editor File

.internetconnect

Apple Internet Connect Document

.ifw

INTUS Firmware File

.iptheme

IconPackager Raw Theme File

.ipod

Rockbox Firmware File

.its

Internet Document Set

.ioplist

Mac OS X IOPLIST File

.job

Windows Task Scheduler Job File

.jpn

Windows Japanese Noise-Word List File

.key

Security Key

.kext

Mac OS X Kernel Extension

.ko

Linux Kernel Module File

.kbd

Keyboard Layout Script

.ks

Kickstart File

.kor

Windows Korean Noise-Words List File

.lnk

Windows File Shortcut

.lst

GRUB Boot List File

.log1

Windows Registry Hive Log File

.log2

Windows Registry Hive Log 2 File

.lockfile

Mac OS X PLIST Lock File

.library-ms

Windows Library Description File

.lpd

Lookout Protocol Driver File

.lpd

LPD Daemon Print Permissions File

.lfs

Samsung Phone params.lfs File

.mod

GRUB Module

.msp

Windows Installer Patch

.mlc

Microsoft Language Interface Pack

.mi4

Audio Player Firmware File

.mobileconfig

Apple Mobile Configuration File

.mtz

MIUI Theme

.mum

Windows Vista Update Package

.mbr

Master Boot Record File

.msstyles

Windows XP Style

.mapimail

Send To Mail Recipient

.mdmp

Windows Minidump

.manifest

Windows Application Manifest File

.mui

Multilingual User Interface File

.msc

Microsoft Management Console Snap-in Control File

.mem

Parallels Desktop Memory Dump File

.mydocs

Send To My Documents

.nb0

Device Boot Loader Image

.nt

Windows NT Startup File

.nls

Microsoft National Language Support File

.nfo

System Information File

.nbh

ROM Update Utility Image File

.networkconnect

Apple Network Connect Document

.ntfs

NTFS Partition File

.odex

Optimized Dalvik Executable

.prf

Windows System File

.profile

Bash Shell Profile

.prop

Android Build Properties File

.ps1

Microsoft Indexing Service Data File

.prt

Printer Driver File

.pfx

PKCS #12 Certificate File

.ppm

Post Programmable Memory File

.pck

System Center Configuration Manager Package File

.pat

DiskStation Manager Installation File

.provisionprofile

Apple Provision Profile

.pnf

Precompiled INF File

.pdr

Windows Port Driver

.prefpane

Mac OS X System Preference Pane

.pol

Windows Policy File

.pwl

Windows Password List

.pk2

Silkroad Online Game Data File

.ppd

PostScript Printer Description File

.qvm

Q Virtual Machine

.qky

Quirky Kernel

.reg

Registry File

.regtrans-ms

Registry Transaction Log File

.rmt

Router Firmware File

.rfw

Rockchip Firmware File

.rc2

Samsung Mobile Device Firmware File