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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
JPE - Extension Details
Date Added: January 01, 1970
File Extension:  .JPE
Description 1: .JPE file extension is linked with JPEG Image. It is a 24bit compressed JPEG graphic file format which is commonly used for web graphics. It is bestsuited for photographs or images that contain numerous colors. It is also used by many digital cameras for saving digital photographs. JPEG images utilize lossy compression which entails loss of image quality once applied with compression; the more compression, the lesser the image quality.
File Type:   Bitmap Image File
Mode: Binary
Program(s) to Open:  Windows: ACDSee Photo Manager, any web browser, any picture viewer, Microsoft Windows Photo Gallery, Nuance OmniPage Professional; Mac: any web browser, any picture viewer, Nuance OmniPage Pro X, Apple Preview
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