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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
NC - Extension Details
Date Added: January 01, 1970
File Extension:  .NC
Description 1: File extension .NC is associated with netCDF (Network Common Data Form), an interface to a data access functions library concerning data storage and retrieval in arrays form. Arrays are ndimensional (n is 0, 1,2,3,) rectangular structures that contain items that carry the same datatype (for example, 32bit integer, 8bit character). Scalars (simple single values) are 0dimensional arrays. Achieving machineindependence or network transparency; requires the implementation of netCDF in terms of XDR (eXternal Data Representation).
File Type:   Text file
Mode: ASCII
Program(s) to Open:  Open with NetCDF Network Common Data Form
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