Full form of File extension
The full form of file extension is "Filename extension." A file extension is a series of characters that are appended to the end of a filename to indicate the file type and the software program that can open it.
For example, the file extension ".docx" indicates a Microsoft Word document file, while ".jpg" indicates a JPEG image file. File extensions help operating systems and software programs identify the type of file, and they also help users understand which application to use to open the file.
File extensions are typically three to four characters long and are separated from the filename by a period. They are also sometimes referred to as "file types" or "file formats." Some common file extensions include .pdf, .mp3, .xls, .ppt, .html, and .txt.
some common Full form of File extension
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