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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
IC - Extension Details
Date Added: April 11, 2008
File Extension:  .IC
Description 1: .IC file extension is linked with ASwin Project file. This is the file extension for the project file created by ASwin a powerful design and calculation program for the centralization of hot water. It is based on calculation techniques sanctioned by the practice, the implementation of RITE [Regulations on Heat Installations in Buildings] and its Complementary Technical Instructions, and UNE 100,030 "Climate: A Guide for the Preventions of legionella. ASwin is owned and developed by ProcedimientosUno, S.L.
Description 2: .IC file extension is linked with Modula3 M3CG Intermediate Language File. Modula3 is regarded as the successor of the upgraded version of Modula2. It is a programming language that aims to continue the tradition of Pascal in terms of type safety as well as introducing new realworld programming constructs. Modula3 has added support for multithreading, generic programming, garbage collection, partial revelation, exception handling, encapsulation of unsafe codes and objectoriented programming.
File Type:   Source Code and Script File
Mode: ASCII
Program(s) to Open:  Windows: Modula3
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