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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
ZNO - Extension Details
Date Added: January 01, 1970
File Extension:  .ZNO
Description 1: .ZNO has to do with the digital magazine format that is used for the saving and distribution of magazines and other publications electronic versions. With this file, all the graphics, formatting and text are maintained from the original publications. As with actual magazines, users can view these versions pagebypage. Zinio publications requiring user subscriptions incorporate DRM copy protection, ensuring that the magazines are only viewed on authorized PCs.
File Type:   Page Layout file
Mode: Binary
Program(s) to Open:  Mac and Windows: Zinio Reader
Common:
Extension: