No of leters 3-4.
Meaning - relates to the application that can open the file and process the content.
its an extension for the file name which tells about the file type. but I just have a query, why most of the extensions are three lettered
I t is a file extension for "Stopizilla"
They are short for "Excel Spreadsheet."
If you mean the type of file it is called the file extension.
It is a batch command file.
.bib is a file extension
It is a batch command file.
The file is just a plain text file. Txt is an abbreviation for text.
personal information exchange
.wav an extension file . mean ( waveform audio file )
You mean the file extension, right? HTML: .html or .htm XML: .xml
HTTP is not a file, it is a protocol. It therefore does not have an extension. If you mean HTML files, which are web pages, then either htm or html can be used as extensions.