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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:
ABCDEFGHIJKLMNOPQRSTUVWXYZ
GI - Extension Details
Date Added: May 01, 2009
File Extension:  .GI
Description 1: .GI file extension is linked with RecordNow! CD Image. It is the duplicate copy created by using RecordNow! software. Orignally, RecordNow! was owned and developed by Stomp, now it is under HP/Compaqs ownership and distribution. .GI files extension is also associated with PwerISO DirectAccessArchive from PowerISO Computing Inc., ISOBuster from Smart Projects, UltraISO from EZB Systems Inc. and Prassi GlobalCD from Prassi Software. .GI file extension and RecordNow! are currently owned and developed by HP/Compaq.
Description 2: .GI file extension is linked with Prassi PrimoDVD File. This is the file extension for the DVD file utilized by Prassi PrimoDVD. This is probably an old file extension. .GI file extension is also associated with ISOBuster an optical media data recovery application that can be used to rescue lost files or trashed CD/DVD or Blu Ray disc. ISOBuster is owned and developed by Smart Projects.
File Type:   Backup File
Mode: Binary
Program(s) to Open:  Windows: ISOBuster
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