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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
NMIND - Extension Details
Date Added: February 10, 2008
File Extension:  .NMIND
Description 1: .NMIND is the extension associated with visual diagrams created using NovaMind mind mapping software. The format can be used for building site maps, brainstorming, creating presentations, or even educational purposes. With this type of file, it is possible to create different flowcharts and diagrams using custom layouts and artistic graphics.
File Type:   Data file
Mode: ASCII
Program(s) to Open:  Mac and Windows: NovaMind
Common:
Extension: