A filename extension is an identifier specified as a suffix to the name of a computer file, often separated from the filename with a dot, or other character, that indicates a characteristic of the file contents or its intended use.
The extension indicates a characteristic of the file contents or its intended use. A filename extension is an identifier specified as a suffix to the name of a computer file.
A filename extension is an identifier specified as a suffix to the name of a computer file. The extension indicates a characteristic of the file contents or its intended use.
A filename extension is an identifier specified as a suffix to the name of a computer file. The extension indicates a characteristic of the file contents or its intended use.