What are extensions of files?

Question

The extension is a three- or four-letter abbreviation that signifies the file type. For example, in letter. docx the filename is letter and the extension is docx. Extensions are important because they tell your computer what icon to use for the file, and what application can open the file.

What are the 6 main types of file extensions?

6 Different Types of Files and How to Use ThemJPEG (Joint Photographic Experts Group) ... PNG (Portable Network Graphics) ... GIF (Graphics Interchange Format) ... PDF (Portable Document Format) ... SVG (Scalable Vector Graphics) ... MP4 (Moving Picture Experts Group)The Different Types of Files and How to Use Them - Wix.com

What is the extension of a file folder?

Folder extensions are . dir . If you right-click a folder and go to Properties > General, it says Type: File Folder (. dir).

What is the extension of a Word file?

docx – Word document. . docm – Word macro-enabled document; same as docx, but may contain macros and scripts.

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