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    Home > File Extrenstions > System Files Extensions

    File Extensions:
    A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

    Browse By File Type

    Today`s File Extension: CHK

    Type: System Files

    "Saved File Fragment"

    .chk is generated auto when a program or system crashes or files aren't open properly. If SCANDISK or CHKDISK runs, all the error parts will be identified as lost file fragments and converted to CHK files. Thus CHK is the Windows file fragment extension that cleaned from the hard disk by ScanDisk or CHKDISK.

    CHD can be stored in the FOUND folder after a disk scan has been performed.

    CHK files also can be deleted since the information has been moved somewhere else on the disk.

    open chk file on Windows:

    • DIY DataRecovery CHK-Mate
    • UnCHK
    • FileCHK



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    File Type: System Files


    • .386Microsoft Windows virtual device driver

      Type:System Files   Update:2009-11-20   Hits:0

    • .aafAutoPatcher file

      AAF is a file extension associated with Advanced Authoring Format files. AutoPatcher is an alternative to Microsoft's Microsoft Update system...

      Type:System Files   Update:2009-08-13   Hits:0

    • .admAdministrative Template File

      Type:System Files   Update:2008-07-29   Hits:34

    • .aniWindows Animated Cursor

      The ANI file format is a graphics file format used for animated cursors on the Microsoft Windows operating system. The format is based on the...

      Type:System Files   Update:2009-07-06   Hits:106

    • .annHelp Annotations

      Type:System Files   Update:2008-07-29   Hits:72

    • .aslqueryMAC OS X console query

      Type:System Files   Update:2009-11-01   Hits:0

    • .bdiPro/ENGINEER temporary file

      Type:System Files   Update:2009-11-07   Hits:0

    • .bmkHelp Bookmarks

      BMK file is user bookmarks for Windows help documents. Users can use Microsoft Windows Help to open BMK files. Open BMK File on Windows: ...

      Type:System Files   Update:2009-09-14   Hits:124

    • .cdfsMicrosoft Windows compact disk file system

      Type:System Files   Update:2009-11-19   Hits:0

    • .chkSaved File Fragment

      .chk is generated auto when a program or system crashes or files aren't open properly. If SCANDISK or CHKDISK runs, all the error parts will be...

      Type:System Files   Update:2009-02-16   Hits:451

    • .cntHelp Contents File

      The CNT file is help file used by Windows. The CNT file contains topics relevant to a certain Help document. The file can be opened by...

      Type:System Files   Update:2009-10-19   Hits:71

    • .cplWindows Control Panel

      An example of a .cpl file is an item that is located in Control Panel. Each item is a specialized DLL. related software: Startup CPL...

      Type:System Files   Update:2009-08-05   Hits:27

    • .curWindows Cursor

      A file with the CUR file extension is a Windows Cursor file. The file provides you with a custom desktop theme in which the Microsoft Windows...

      Type:System Files   Update:2009-09-17   Hits:97

    • .desklinkDesktop Shortcut

      Type:System Files   Update:2008-07-29   Hits:42

    • .devWindows Device Driver File

      Type:System Files   Update:2008-07-29   Hits:63

    • .dkcVirtue Deskshow Compiler file

      DKC is Virtue Deskshow Compiler file type.

      Type:System Files   Update:2009-09-09   Hits:0

    • .dmpWindows Memory Dump

      DMP file is a Windows Memory Dump which used to record the contents of the system memory when Windows operating systems stop unexpectedly....

      Type:System Files   Update:2009-09-17   Hits:94

    • .drvDevice driver files

      An example of a device driver is a printer driver that controls the printing to a printer. A device driver , or software driver is a...

      Type:System Files   Update:2009-08-05   Hits:146

    • .dvdDOS Device Driver

      The DVD file extension identifies DOS device driver files. These DVD files enables communication between the operating system and the hardware...

      Type:System Files   Update:2009-09-02   Hits:171

    • .ffaFind Fast Status File

      Type:System Files   Update:2008-07-29   Hits:31

    • .fflFind Fast Document List

      Type:System Files   Update:2008-07-29   Hits:57

    • .ffoFind Fast Document Properties Cache

      Type:System Files   Update:2008-07-29   Hits:34

    • .ffxMicrosoft Find Fast Index

      Type:System Files   Update:2008-07-29   Hits:57

    • .fpbfMac OS X Burn Folder

      FPBF file is a Finder Backup Burnable Archive file, which contains files or aliases of files to be burned on a CD or DVD. Besides, FPBF file...

      Type:System Files   Update:2009-09-13   Hits:138

    • .ftgFull Text Group

      Type:System Files   Update:2008-07-29   Hits:42

    • .ftsWindows Help Full-Text Search index file

      The FTS file is index file created for searching through the text of Windows help. The file is generated when the corresponding .HLP file is...

      Type:System Files   Update:2009-10-13   Hits:65

    • .groupLinux file

      Type:System Files   Update:2009-11-10   Hits:0

    • .grpWindows Program Manager Group

      Type:System Files   Update:2008-07-29   Hits:45

    • .h1sMicrosoft Windows Assistance Platform client help file

      Type:System Files   Update:2009-11-12   Hits:0

    • .h1tMicrosoft Windows Assistance Platform client help related file

      Type:System Files   Update:2009-11-01   Hits:0

    • .h1vTask metadata file - Microsoft Windows Assistance Platform client help related file

      Type:System Files   Update:2009-09-19   Hits:0

    • .hdmpWindows Heap Dump

      Type:System Files   Update:2008-07-29   Hits:65

    • .hhcHTML Help Table of Contents

      Type:System Files   Update:2008-07-29   Hits:47

    • .hhkHTML Help Index

      Type:System Files   Update:2008-07-29   Hits:32

    • .hlpWindows Help File

      The HLP file is Microsoft Help file documentation for the Windows operating system or Windows programs. The file contains documentation for the...

      Type:System Files   Update:2009-10-21   Hits:24

    • .hpjHelp Project File

      Type:System Files   Update:2008-07-29   Hits:19

    • .httHypertext Template File

      Type:System Files   Update:2008-07-29   Hits:74

    • .hxiMicrosoft Help compiled storage file

      Type:System Files   Update:2009-11-02   Hits:0

    • .icnsIcon Resource

      Type:System Files   Update:2008-07-29   Hits:67

    • .ion4DOS File Description

      The ION file always used by 4DOS software. The file are used to describes the contents of another file, typically hidden and used in the...

      Type:System Files   Update:2009-09-25   Hits:89

    • .jnkJunk temporary file

      Type:System Files   Update:2009-09-18   Hits:0

    • .kbdKeyboard Layout Script

      Type:System Files   Update:2008-07-29   Hits:37

    • .kextMac OS X Kernel Extension

      KEXT file is used for device drivers and other things that need to modify the system at the lowest level. KEXT files should not be manually...

      Type:System Files   Update:2009-09-06   Hits:147

    • .keySecurity Key

      A KEY file (or key-file) is a file on a computer which contains encryption or license keys; and may be used to install an application or be...

      Type:System Files   Update:2009-09-18   Hits:57

    • .lnUNIX lint file

      Type:System Files   Update:2009-10-03   Hits:0

    • .lnkFile Shortcut

      .ink is a kind of file formats for windows 95 and developed by Donald Murray. .ink files can be created in Windows by right-clicking a file and...

      Type:System Files   Update:2009-09-01   Hits:68

    • .manifestWindows Visual Styles File

      Type:System Files   Update:2008-07-29   Hits:15

    • .mapimailSend To Mail Recipient

      The MAPIMAIL file identifies a Send To Mail Recipient. The file opens the default mail program and attaches the file to a new message. Open...

      Type:System Files   Update:2009-09-29   Hits:83

    • .mdmpWindows Minidump

      .mdmp is Windows Minidump file extension format, which is used by Microsoft Visual Studio. MDMP files can help crash dump file. With MDMP files,...

      Type:System Files   Update:2009-09-02   Hits:148

    • .mftNTFS master file table file

      Type:System Files   Update:2009-10-20   Hits:0

    • .mifManagement Information Format

      Management Information Format (MIF file) is a format used to describe a hardware or software component. MIF files are used by DMI to report system...

      Type:System Files   Update:2009-07-09   Hits:51

    • .mscMicrosoft Management Console Snap-in Control File

      Type:System Files   Update:2008-07-29   Hits:40

    • .msstylesWindows XP Style

      MSSTYLES is a Microsoft file format , that contains the bitmaps and metadata for the Windows XP skinning engine, first introduced in Windows...

      Type:System Files   Update:2009-09-01   Hits:168

    • .muiMultiLanguage Resource File

      MUI file is a Multilingual User Interface Data. Multilingual User Interface (MUI) is the name of a Microsoft technology for Microsoft Windows,...

      Type:System Files   Update:2009-09-08   Hits:146

    • .mydocsSend To My Documents

      Type:System Files   Update:2008-07-29   Hits:35

    • .m_pPro/ENGINEER temporary file

      Type:System Files   Update:2009-09-20   Hits:0

    • .ntWindows NT Startup File

      Type:System Files   Update:2008-07-29   Hits:78

    • .onetmpMicrosoft OneNote temporary file

      ONETMP file is a Microsoft OneNote Temporary File . Microsoft OneNote is a tool for notetaking, information gathering, and multi-user...

      Type:System Files   Update:2009-09-10   Hits:0

    • .p7bPKCS #7 Certificate File

      Type:System Files   Update:2008-07-29   Hits:71

    • .pdrWindows Port Driver

      Type:System Files   Update:2008-07-29   Hits:59

    • .pidCreative Driver File

      Type:System Files   Update:2008-07-29   Hits:75

    • .pk2Silkroad Online Game Data File

      .PK2 files are also Quake II archive files. Quake II is a first-person shooter computer game developed by id Software and distributed by...

      Type:System Files   Update:2009-07-09   Hits:32

    • .polWindows Policy File

      POL file is Windows policy file which contains registry information for all computers, users, and groups that will use the policy file. The...

      Type:System Files   Update:2009-09-27   Hits:87

    • .ppdPostScript Printer Description File

      Type:System Files   Update:2008-07-29   Hits:61

    • .prefpaneMac OS X System Preference Pane

      Type:System Files   Update:2008-07-29   Hits:23

    • .prfMicrosoft Outlook exported profile

      PRF file is a Microsoft Outlook exported profile. The PRF file includes mail account settings, signatures, references to mail folders, and other...

      Type:System Files   Update:2009-09-18   Hits:78

    • .quePDP-10 queue file

      The QUE file is PDP-10 que file, which can be used to print Queue, Submit Queue, Plot Queue file at PDP-10 computer. The PDP-10 was a...

      Type:System Files   Update:2009-11-12   Hits:0

    • .rtbNAT proxy servers file

      RTB file is a small driver file about 16 meg size associated with operating system. The file usually be used in NAT proxy servers. The drive...

      Type:System Files   Update:2009-09-16   Hits:0

    • .savedsearchSpotlight Saved Search

      Type:System Files   Update:2008-07-29   Hits:22

    • .saverMac OS X Screen Saver

      The SAVER file is screen saver for Mac OS X and created by a third-party developer. The file runs when the computer has been idle for a...

      Type:System Files   Update:2009-09-29   Hits:90

    • .scrWindows Screensaver

      SCR is Screen Saver file format and it is often found in the main Windows directory. It will auto launch as the computer is inactive for several...

      Type:System Files   Update:2009-10-26   Hits:205

    • .swpSwap File

      Type:System Files   Update:2008-07-29   Hits:65

    • .sysWindows System File

      SYS file is system files that containing information needed to load and configure Windows, also contains functions that are used to run the...

      Type:System Files   Update:2009-09-18   Hits:52

    • .themeDesktop Theme

      Type:System Files   Update:2008-07-29   Hits:41

    • .twdSystem file

      Type:System Files   Update:2009-11-22   Hits:0

    • .userLinux file

      USER file is used on Linux operating system.

      Type:System Files   Update:2009-09-15   Hits:0

    • .vcnNCDrive Vacon NX system software file

      Type:System Files   Update:2009-09-22   Hits:0

    • .vgaVGA Display Driver

      Type:System Files   Update:2008-07-29   Hits:34

    • .vgdGeneric CADD VGA Driver

      Type:System Files   Update:2008-07-29   Hits:25

    • .vsvVirtual machine saved state

      You could access to numerous of options for controlling a virtual machine from the administration website. If you save the current state of virtual...

      Type:System Files   Update:2009-07-03   Hits:0

    • .vxdVirtual Device Driver

      Type:System Files   Update:2008-07-29   Hits:42

    • .w44dBASE temporary file

      Type:System Files   Update:2009-11-11   Hits:0

    • .wpxPrinter Description File

      Type:System Files   Update:2008-07-29   Hits:65

    • .zmbZoneAlarm Mailsafe renamed .DLL file

      Type:System Files   Update:2009-09-19   Hits:0

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