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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
XIF - Extension Details
Date Added: January 01, 1970
File Extension:  .XIF
Description 1: The extension XIF stands for eXtended Image Format. ScanSoft Pagis scanning software utilizes this file format. Users can easily store text documents as images using this format. .XIF is the .TIFF formats extension that separates images into four layers: text layer for optical character recognition (OCR), text color layer, layer containing color image segments, and background tint layer. Nuance Communications, Inc. is the new name of ScanSoft.
File Type:   Image file
Mode: Binary
Program(s) to Open:  Windows: ScanSoft Pagis Viewer, Nuance OmniPage Macintosh: Nuance OmniPage
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