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The File Extension Library

What is a file extension?

Short answer: it's the set of letters after the period (.) in the name of a file.

Long answer: File extensions signify the file format of a file. It tells the operating system (OS) how data was stored in the file. Not all OS, require a file extension though. For instance, this is optional in Unix, but is mandatory with MS-DOS and Windows systems.

In most file formats the file type is actually defined by the contents (first bytes, file structure), but extensions are used to define the application that is used for opening the file.

Below is a detailed database of thousands of file extensions our team has compiled for you. Feel free to browse!


Browse all Extensions:
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INF - Extension Details
Date Added: February 10, 2008
File Extension:  .INF
Description 1: .INF file extension is linked with BlueWave Information File. BlueWave is an offline mail reader which was popular with FidoNet users and other largevolume mail networks. BlueWave is both Software reader and mail packet format. Other offline mail readers utilize BlueWave format as well. The developers of BlueWave developers Fred Rappuhn and George Hatchew released the system on Sept. 20, 1990. Come 1991, the two parted ways and BlueWave Software got dissolved under Hatchews authority. However, Hatchew met a serious accident which caused him to discontinue the development of BlueWave system.
Description 2: .INF file extension is linked with OS/2 IPF Data Format. This is the file extension for the IPF data format utilized by OS/2. IPF or information presentation facility is a system that presents online help and hypertext on IBM OS/2 systems. It is also the markup language which is used to generate IPF content. OS/2 is an operating system which was initially developed by IBM and Microsoft, then later by IBM exclusively. OS/2 stands for "Operating System/2 since it was introduced as part of IBMs "Personal System/2, which is a secondgeneration PC. IBM is no longer marketing OS/2 but currently, it is being sold under the name eComStation by Serenity Systems.
Description 3: .INF file extension is linked with Pro/Engineer Temporary File. This is the file extension for the temporary file utilized by Pro/Engineer an application which offers users industryleading productivity design tools that help promote the best design practices and at the same time ensures compliance with the industry and company standards. .INF file extension and Pro/Engineer are owned and developed by PTC.
Description 4: .INF file extension is linked with Adobe Type Manager Font Information. ATM or Adobe Type Manager is the name used by a family of computer programs generated and marketed by Adobe Systems to work in conjunction with their Type 1 fonts. ATM Light is a system software component which automatically generates highquality screen font bitmaps from PostScript outlines in OpenType or Type 1 format.
Description 5: .INF file extension is linked with Setup File or Installer Script. This file contains the configuration which identifies the files installed by specific programs or updates. It can also list the file locations and directories where these files should be installed. The standard .INF format is supported by various programs.
Description 6: .INF file extension is linked with Inspiration Mind Mapping File. This is the file extension for the mind mapping file utilized by Inspiration. Mind mapping programs are used to create diagrams of relationships between ideas and/or other pieces of info. Mind mapping technique is said to improve learning/studying efficiency of up to 15% over the conventional notetaking. Some programs are 3D, while some incorporate other learning optimization techniques such as electronic flashcardstyle testing.
Description 7: .INF file extension is linked with Hypertext Help System File [OS/2 Buch]. This is the file extension for the hypertext help system file [OS/2 Buch, same as OS/2 IPF Data Format infos] utilized by OS/2 an operating system which was initially developed by IBM and Microsoft, then later by IBM exclusively. OS/2 stands for "Operating System/2 since it was introduced as part of IBMs "Personal System/2, which is a secondgeneration PC. IBM is no longer marketing OS/2 but currently, it is being sold under the name eComStation by Serenity Systems.
Description 8: .INF file extension is linked with Autostart CDROM File. It is associated with Autorun.inf which is the main instruction file for Autorun function/s. Autorun is a straightforward textbased configuration file that instructs the operating system which executable program to start, which menu commands to access and which icon/s to use. Basically, the .INF file instructs Windows how to deal with the contents of a CD.
File Type:   System File
Mode: Binary
Program(s) to Open:  Windows: Autorun
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