System Files

#File extensionThe full name of the file
 
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 DDZ File Extension Adaptec Unix Driver
70 DESKLINK File Extension Desktop Shortcut
71 DESKTHEMEPACK File Extension Windows 8 Desktop Theme Pack Format
72 DEV File Extension Windows Device Driver Format
73 DEVICEMANIFEST-MS File Extension Microsoft Windows Device Metadata
74 DFU File Extension IOS DFU Format
75 DIAGCAB File Extension Troubleshooting Pack Cabinet Format
76 DIAGCFG File Extension Troubleshooting Pack Configuration Format
77 DIAGPKG File Extension Troubleshooting Pack Format
78 DIMAX File Extension DiMAX Firmware Image Format
79 DIT File Extension Active Directory Information Tree Format
80 DLL File Extension Dynamic Link Library
81 DLL_1029 File Extension Microsoft Windows Dynamic Link Library Format
82 DMP File Extension Windows Memory Dump
83 DO7 File Extension DOS 7
84 DOCUMENTREVISIONS-V100 File Extension MacOS (OS X) Data Format
85 DOH File Extension Geoworks GEOS Dependency Information
86 DOS File Extension WIN95/ DOS 7 System
87 DRPM File Extension Delta RPM Format
88 DRV File Extension Device Driver
89 DYC File Extension Xerox Printer Driver Configuration Format
90 EBD File Extension Windows EBD System Format
91 EDJ File Extension Enlightenment Theme Format
92 EFI File Extension Extensible Firmware Interface Format
93 EFIRES File Extension EFI Image Format
94 EMERALD File Extension Emerald Theme
95 EQUIV File Extension IBM AIX System Format.
96 ESN File Extension Windows XP System32
97 ETL File Extension Microsoft Event Trace Log Format
98 EVT File Extension Windows Event Viewer Log Format
99 EVTX File Extension Windows 7 Event Log Format
100 EXT2 File Extension Linux Second Extended System
101 EXT4 File Extension Fourth Extended Formatsystem Format
102 FAILUREREQUESTS File Extension MacOS (OS X) Data Format
103 FFA File Extension Find Fast Status Format
104 FFL File Extension Find Fast Document List
105 FFO File Extension Find Fast Document Properties Cache
106 FGDUMP-LOG File Extension Microsoft Windows Fgdump Data Format
107 FOLDER File Extension Microsoft Windows Explorer Folder
108 FOTA File Extension Firmware Over-the-Air Format
109 FPBF File Extension Mac OS X Burn Folder
110 FSEVENTSD File Extension MAC OS X
111 FSTAB File Extension File System Table
112 FTG File Extension Full Text Group
113 FWL File Extension FileWrangler EXE Library
114 GMMP File Extension WCS Gamut Map Model Profile
115 GRL File Extension Windows Update Status Format
116 GROUP File Extension Windows Contacts Group Format
117 H1C File Extension Windows Vista Format Related To Assistance Platform (AP) Help
118 H1F File Extension Microsoft Windows Assistance Platform Client Help
119 H1K File Extension Keyword Index - Microsoft Windows Assistance Platform Client Help Related
120 H1S File Extension Windows Assistance Platform Help Format
121 H1T File Extension Microsoft Windows Assistance Platform Client Help Related
122 H1V File Extension Task Metadata - Microsoft Windows Assistance Platform Client Help Related
123 HDMP File Extension Windows Heap Dump
124 HELP File Extension Mac OS X Help Book
125 HHC File Extension HTML Help Table Of Contents
126 HHK File Extension HTML Help Index
127 HIV File Extension Windows Registry Hive Format
128 HLP File Extension Windows Help Format
129 HPC File Extension System Dynamic Library
130 HPFS File Extension OS/2 High Performance Format System
131 HPJ File Extension Help Project Format
132 HSH File Extension Windows Catalog Search Index Format
133 HTT File Extension Hypertext Template Format
134 HTW File Extension Windows
135 HV File Extension Microsoft Windows Mobile Hive
136 HX1 File Extension Microsoft Windows Data Format
137 HXI File Extension Microsoft Help Compiled Storage
138 IA64 File Extension HP-UX
139 ICL File Extension Windows Icon Library Format
140 ICNS File Extension Mac OS X Icon Resource Format
141 ICO File Extension Icon Format
142 ICONPACKAGE File Extension IconPackager Theme Format
143 IDENTIFIER File Extension Microsoft Windows Zone Identifier
144 IDX_DLL File Extension Microsoft Office IDX_DLL
145 IFW File Extension INTUS Firmware Format
146 IME File Extension Windows Input Method Editor Format
147 IMG3 File Extension IPhone IMG3 Format
148 INA File Extension MS-DOS
149 INF_LOC File Extension Windows Driver Information Cache Format
150 INSTALL_BACKUP File Extension AVG Shell Extension Module
151 INTERNETCONNECT File Extension Apple Internet Connect Document
152 ION File Extension File Description Format
153 IOPLIST File Extension Mac OS X IOPLIST Format
154 IPOD File Extension Rockbox Firmware Format
155 IPTHEME File Extension IconPackager Raw Theme Format
156 IRIX6 File Extension Irix 6
157 ISWP File Extension Apple ITunes IOS Firmware Update
158 ITEMDATA-MS File Extension Windows 8 Start Screen Item Data Format
159 IUS File Extension InfoTMIC Firmware Update Format
160 JFS File Extension Linux/Unix Journaling System
161 JLB File Extension PAC Mate BX Keyboard Driver
162 JOB File Extension Windows Task Scheduler Job Format
163 JOURNAL_INFO_BLOCK File Extension Apple Mac OS Xsystem
164 JPN File Extension Windows Japanese Noise-Word List Format
165 K48 File Extension Apple IOS Kernel Cache
166 KBD File Extension Keyboard Layout Script
167 KEXT File Extension Mac OS X Kernel Extension
168 KO File Extension Linux Kernel Module Format
169 KOR File Extension Windows Korean Noise-Words List Format
170 LE File Extension Le Mac OS X
171 LFS File Extension Samsung Phone Params.lfs Format
172 LGS File Extension Microsoft Windows Application Log
173 LIBRARY-MS File Extension Windows Library Description Format
174 LLS File Extension Windows System
175 LN File Extension UNIX Lint
176 LNK File Extension Windows Format Shortcut
177 LOCALIZED File Extension MAC OS X
178 LOCATION File Extension Microsoft Windows 10 Registry Data Format
179 LOCKFILE File Extension Mac OS X PLIST Lock Format
180 LOG1 File Extension Windows Registry Hive Log Format
181 LOG2 File Extension Windows Registry Hive Log 2 Format
182 LPD File Extension Lookout Protocol Driver Format
183 LS_ File Extension Unix Ls Directory
184 LTN File Extension CD-ROM Driver Format
185 MANIFEST File Extension Windows Application Manifest Format
186 MAPIMAIL File Extension Send To Mail Recipient
187 MARKER File Extension Microsoft Windows 10 System Data Format
188 MDIMPORTER File Extension Spotlight Importer Setting
189 MDMP File Extension Windows Minidump
190 METADATA_NEVER_INDEX File Extension Spotlight Never Index Format
191 MI4 File Extension Audio Player Firmware Format
192 MKEXT File Extension Mac OS X Mach Kernel Extension Memory Cache
193 MLC File Extension Microsoft Language Interface Pack
194 MOBILECONFIG File Extension Apple Mobile Configuration Format
195 MOJITO File Extension Limewire Kademlia
196 MONITORPANEL File Extension Apple Mac OS X Display Panel Extension
197 MPS_ File Extension MPW Shell
198 MQ File Extension Microsoft Windows Message Data Format
199 MSC File Extension Microsoft Management Console Snap-in Control Format
200 MSDM File Extension Microsoft Windows
201 MSP File Extension Windows Installer Patch
202 MSSTYLE File Extension Windows XP Unsigned Style
203 MSSTYLES File Extension Windows XP Style
204 MTZ File Extension MIUI Theme
205 MUI File Extension Multilingual User Interface Format
206 MUIMANIFEST File Extension Microsoft Windows Multilingual User Interface
207 MUI_CCCD5AE0 File Extension Hid User Library
208 MUM File Extension Windows Vista Update Package
209 MYDOCS File Extension Send To My Documents
210 N81 File Extension Apple IOS Kernel Cache
211 N90 File Extension Apple IOS Kernel Cache
212 N90AP File Extension IPhone Jailbreak Firmware
213 NBH File Extension ROM Update Utility Image Format
214 NETWORKCONNECT File Extension Apple Network Connect Document
215 NLS File Extension Microsoft National Language Support Format
216 NOS File Extension JDOS System
217 NOT_TERMINATED File Extension Mac OS X Audit Log
218 NOVS File Extension Novell NetWare Control Center
219 NT File Extension Windows NT Startup Format
220 NTFS File Extension NTFS Partition Format
221 NU4 File Extension Norton Utilities DLL Root
222 NXS File Extension AdaOS Support Module Format
223 OS2 File Extension Os2 System
224 OSAX File Extension FindFile OSAX Mac Format Type
225 OSINSTALLMESSAGES File Extension MacOS System Data Format
226 OV1 File Extension Overlay
227 OV3 File Extension Overlay
228 OV4 File Extension Overlay
229 OV5 File Extension Overlay
230 P5X File Extension Windows System
231 PANIC File Extension Kernel Panic Format
232 PAYLOAD File Extension Microsoft Windows Mobile
233 PCI File Extension PCI Miniport
234 PDR File Extension Windows Port Driver
235 PF File Extension Windows Prefetch Format
236 PFX File Extension PKCS #12 Certificate Format
237 PK2 File Extension Silkroad Online Game Data Format
238 PNF File Extension Precompiled INF Format
239 PPD File Extension PostScript Printer Description Format
240 PR2 File Extension DBase IV Printer Driver
241 PREFPANE File Extension Mac OS X System Preference Pane
242 PRINTEREXPORT File Extension Windows Printer Migration Format
243 PROFILE File Extension Bash Shell Profile
244 PROVISIONPROFILE File Extension Apple Provision Profile
245 PWL File Extension Windows Password List
246 PXE File Extension Linux, Unix Network Bootable
247 QFILTER File Extension Mac OS X ColorSync Filter
248 QKY File Extension Quirky Kernel
249 QTS File Extension QuickTime System
250 QUICKTIMECOMPONENTS File Extension Mac OS X System
251 RC1 File Extension Samsung Mobile Device Firmware Format
252 RCO File Extension PlayStation Portable Resource Format
253 RDZ File Extension Mandrake Linux Install
254 REG File Extension Registry Format
255 REGTRANS-MS File Extension Registry Transaction Log Format
256 RESTORELIST File Extension Microsoft Windows Format System Permission Format
257 RFW File Extension Rockchip Firmware Format
258 RGU File Extension Microsoft Windows Mobile Registry Entry
259 RIO File Extension IBM AIX System
260 RISCOS File Extension Acorn RISC OS
261 RMT File Extension Router Firmware Format
262 RRA File Extension Windows Installer Temporary Format Format
263 RSQ File Extension IBM 4690 Operating System​
264 RTP File Extension Microsoft Software Update Format
265 RWM File Extension Windows Imaging Resource Only
266 RX File Extension MS-DOS 7
267 SAVEDSEARCH File Extension Spotlight Saved Search
268 SAVER File Extension Mac OS X Screen Saver
269 SBF File Extension Android System Format
270 SCAP File Extension EFI Firmware Format
271 SCF File Extension Windows Explorer Command
272 SCHEMAS File Extension GConf Schema Definition Format
273 SCR File Extension Windows Screensaver
274 SEARCHCONNECTOR-MS File Extension Windows Search Connector Format
275 SEARCHINDEXCACHE File Extension Mac OS X Cache
276 SERVICE File Extension Mac OS X Service Application
277 SF0 File Extension Windows Sytem Check
278 SFCACHE File Extension ReadyBoost Cache Format
279 SHA File Extension Unix SHAR Archive
280 SHD File Extension Windows Print Job Shadow Format
281 SHSH File Extension IPhone/iPod Touch SHSH Blob Format
282 SO0 File Extension Unix Shared Library Format
283 SP3 File Extension Microsoft Windows XP With Service Pack 3 Installation Format
284 SPL File Extension Windows Print Spool Format
285 SPREPORTER File Extension Mac OS X System Profiler Reporter
286 SQM File Extension Service Quality Monitoring Format
287 SUPPORTED File Extension MAC OS X
288 SYS File Extension Windows System Format
289 TDZ File Extension Drobo Firmware Format
290 THA File Extension Windows Thai Noise-Words List Format
291 THEME File Extension Microsoft Plus! Desktop Theme
292 TNR File Extension GPS Pathfinder ProXR/XRS Firmware
293 TRX_DLL File Extension Windows Startup Format
294 UAQ File Extension Microsoft Windows Action Queue
295 UCE File Extension Windows UCE System Format
296 VCN File Extension NCDrive Vacon NX System Software
297 VET File Extension VET Antivirus System
298 VGA File Extension VGA Display Driver
299 VGD File Extension Generic CADD VGA Driver
300 VMLT File Extension VMLF Related Data Format
301 VRS File Extension Corel WordPerfect Video Resource Device Driver
302 VTD File Extension Microsoft Windows Custom Virtual Device Driver
303 VXD File Extension Virtual Device Driver
304 VX_ File Extension Compressed Virtual Device Driver Format
305 WDGT File Extension Dashboard Widget
306 WEBPNP File Extension Web Point And Print Format
307 WER File Extension Windows Error Report
308 WGZ File Extension S60 Web Runtime Widget Package
309 WRS File Extension Corel WordPerfect Windows Printer Driver
310 WSS File Extension Microsoft Windows Sound System
311 XMO File Extension Adobe Authorware Movie Driver
312 XMS File Extension Microsoft EXtended Memory Specification
313 XP File Extension WindowBlinds Temporary Format
314 XRM-MS File Extension Microsoft Security Certificate
315 ZEX File Extension ZOOM MRS-802 System
316 ZONEIDENTIFIER File Extension Windows Zone Identifier Format
317 _DL File Extension Dynamic Link Library DLL Format Form
318 _VTI_BIN File Extension SharePoint
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File Extension of the day
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SQL

Structured Query Language Data Format

SQL file is a file written in Structured Query Language (SQL) used for database management. The file contains database queries as SQL code. SQL fil...