Question

what is file?what is the importance of extension after a filename ​

Answer 1

Answer:

Windows file names have two parts; the file's name, then a period followed by the extension (suffix). ... Extensions are important because they tell your computer what icon to use for the file, and what application can open the file. For example, the doc extension tells your computer that the file is a Microsoft Word file.

Explanation:

Answer 2

Explanation:

Windows file names have two parts; the file's name, then a period followed by the extension (suffix). ... Extensions are important because they tell your computer what icon to use for the file, and what application can open the file. For example, the doc extension tells your computer that the file is a Microsoft Word file.