Operating System

Program Description

The operating system supports the type of format out of the box and whilst it is possible to use third party programs the files in question can be opened by built in applications.

Supported File Types

icon .sys - System File (System Files)

All operating systems use special files that are needed to run the operating system in question, these files are known as system files, these files are... [More Information]

icon .deskthemepack - Windows 8 Theme Pack Files (System Files)

Files with the Deskthemepack file extension are files used by Windows 8 for themes used on the Desktop, these files contain Wallpaper, cursors and sounds... [More Information]

icon .ex_ - Compressed Executable File (Executable Files)

EX_ is the file format used to describe a compressed executable file often used in Microsoft Windows installations. [More Information]

icon .patch - Patch File (Executable Files)

A patch is used to update a program or game or fix problems that may be present, patches are usually distributed as executable files, the file extension... [More Information]

icon .key - Keyboard Definition File (Settings Files)

A keyboard is a device that is attached to a computer which through the use of buttons allows the user to enter data in to a computer. Modern keyboards... [More Information]

icon .trashes - Google Android Mobile Phone File (Misc Files)

Google Android is a operating system for mobile telephones, this was originally developed by Android Inc. but was taken over by Google in 2005. The kernel... [More Information]

icon .cnf - Configuration File (Settings Files)

Used on both Internet and Local Area Networks Telnet is a protocol that allows bidirectional text oriented communication through the use of virtual terminal... [More Information]

icon .index - Index File (Misc Files)

Index files are files that are used to manage the files on your computer by searching and Cataloging the files so that they can be found quickly and easily.... [More Information]

icon .regtrans-ms - Windows Registry Recovery Files (Backup Files)

Files found on your computer that make use of the .regrtrans-ms file extension are files created when changes are made to the computers registry and are... [More Information]

icon .efi - Extensible Firmware Interface File (System Files)

Most computers use BIOS a form of firmware that is used as an interface between the operating system and the hardware due to limitations in BIOS especially... [More Information]

icon .ndif - New Disk Image File (Disk Image Files)

The New Disk Image Format also known as NDIF is a new packaging that is used by Disk Copy 6.1 on Apple Mac OS operating systems. The images which use the... [More Information]

icon .spl - Microsoft Windows Spool File (Misc Files)

When you print a document for example from your computer it will be sent to a spool file which is created by the print spooler which manages the... [More Information]

icon .upd - Update File (System Files)

Computer software or operating systems are often updated to fix bugs or simply keep them up to date, often when a program is updated you will find a file on... [More Information]

icon .gsf - Ghost Script Font File (Fonts Files)

Files with the GSF file extension are Ghost script font files found on UNIX systems. [More Information]

icon .bndl - Bundle File (System Files)

Files that use the bndl file extension are usually Bundle files that are used by Mac OS X for plugins and add ons to the operating system. [More Information]

icon .chm - Windows Help File (Text Files)

Many programs use .chm files for there Help files, these you can tell because the icon shown for the file is usually a document with a yellow question mark... [More Information]

icon .image - Disk Copy Image File (Disk Image Files)

On Apples Macintosh computers a utility called Disk Copy was used for managing and handling disk images, the file extension used by this is .image, this... [More Information]

icon .nls - National Language Support File (Misc Files)

Files that have the .nls file extension are National Language Support files, these are used by a variety of programs and developers with regards to the... [More Information]

icon .drv - Device Driver File (System Files)

Drivers are programs that tell the hardware on your computer how to interact with the operating system and commonly use the extension DRV. Drivers are used... [More Information]

icon .job - Windows Task Scheduler Job File (System Files)

Files with the .job file extension are scheduled tasks created and used by the Windows Task Scheduler, this is a part of Windows operating system which runs... [More Information]

icon .sfc - System File Checker File (System Files)

Older Microsoft Windows operating systems made use of check files these had the .sfc file extension and were created by the system file checker utility... [More Information]

icon .trashinfo - Trashcan Metadata File (System Files)

Files that use the .trashinfo file extension are metadat files which contain information to the contents of the Trashcan on your computer, this can be used... [More Information]

icon .sif - Setup Installation File (Settings Files)

the file extension .sif which is a Setup Installation File are files that are used when installing the operating system Windows NT. [More Information]

icon .wer - Microsoft Windows Error Report File (System Files)

Many applications create error reports when a problem occurs and the program stops working correctly in the case of applications that run in Microsoft... [More Information]

icon .com - DOS Command File (System Files)

Files that use the .com file extension are command files used by DOS. [More Information]

icon .diskdefines - Live CD Information File (System Files)

Live CD´s are often used for running operating systems such as Linux directly from disc allowing the user to test the operating system without having to... [More Information]

icon .x - DirectX Object File (3D Files)

DirectX which is developed by Microsoft is a series of API´s that are used for games and multimedia, 3D objects which are loaded by DirectX have the .x file... [More Information]

icon .unknown - Unknown File (Misc Files)

Files that have the UNKNOWN file extension are files that have no known file extension. [More Information]

icon .oem - TextSetup OEM File (Settings Files)

OEM files are usually files used during the installation of a operating system to install device drivers etc, these files have the file extension .oem. [More Information]

icon .rsc - Compiled Resource File (Settings Files)

Symbian OS is a mobile telephone operating system usually found on mobile telephones from Nokia and Sony Eriksson. Files used by the operating system with... [More Information]

icon .pnf - Precompiled Setup Information (System Files)

If a file with the .pnf file extension is not found during a setup then one is created, these file are Precompiled Setup Information files and are used to... [More Information]

icon .propdesc - Installation Package Property Description File (Misc Files)

Files that have the .propdesc file extension are property description files that are used by Microsoft for installation packages. [More Information]

icon .rsrc - Mac OS Resource Fork File (System Files)

A resource fork which is known by the rsrc file extension is an improvement to the Mac OS operating system which made it possible to separate graphics and... [More Information]

icon .crash - Mac OS X Crash Log File (System Files)

Files that use the .crash file extension are usually found on Apple Macintosh computers and are log files created by crashes on the computer. [More Information]

icon .dream - Microsoft DreamScene File (System Files)

Windows Vista Ultimate was able to display animated desktops using DreamScene which was a tool available as a Windows Vista Ultimate extra, these files use... [More Information]

icon .file - AS/400 Physical File (System Files)

Files with the File file extension are files used by IBM AS/400 systems. [More Information]

icon .pax - Pax Archive File (Archived Files)

Pax is an archiving utility for Linux and Unix operating systems this format has been a standard since 2001 but is still not widely used. File archives... [More Information]

icon .mof - MSInfo File (System Files)

The system information utility used by various windows operating system is a program called MSInfo, the program lists a variety of things such as the... [More Information]

icon .vxd - Virtual Device Driver File (System Files)

VXD files are virtual device drivers, these are usually part of Microsoft´s Windows operating systems. These files can be used by a number of programs and... [More Information]

icon .zfsendtotarget - Compressed Folder File (Archived Files)

In Microsoft Windows there is a command in the send to context menu that appears when you click on the right hand mouse button, one of the entries in the... [More Information]

icon .cmd - Command Prompt File (Executable Files)

the CMD file extension is a Windows Command Prompt file used to run the Command Line Interprator on Windows NT, OS2 and Windows CE based operating systems. [More Information]

icon .blf - Windows Registry Recovery File (System Files)

Files with the .blf file extension are used by Windows Vista and Windows Seven as a backup file when changes are made to the registry. When changes are made... [More Information]

icon .game - Apple Chess Save Game File (Game Files)

Apple Chess is a chess game developed for the Mac OS X operating system, save game files used by the program have the .game file extension. [More Information]

icon .ovr - Microsoft Overlay File (System Files)

When DOS was in use as one of the main operating systems there were files used when the source code was to big to fit in the 640KB memory these files are... [More Information]

icon .nt - Windows NT Install Final (System Files)

Files that have the .nt file extension are files used by the operating systems Windows NT/2000 and XP, these files are used during the installtion. [More Information]

icon .shd - Microsoft Windows Shadow File (Misc Files)

When you print a document for example from your computer it will be sent to a spool file which is created by the print spooler which manages the... [More Information]

icon .sha - Shell Archive File (Archived Files)

On computers with the UNIX operating system system an archive format is used, this is a shell script that creates a self extracting file, these files have... [More Information]

icon .dex - Dalvik File (Executable Files)

Files with the DEX file association are files used by the Dalvik Virtual machine that is part of the Android operating system. [More Information]

icon .scf - Command Shell File (System Files)

Files with the file extension .scf are used by the command shell of Windows especially earlier versions such as Windows XP [More Information]