Common Filename Extensions and File Types – What Are They?
The top ten common filename extensions are extensions of files that are most commonly used by computer users. Here are the top ten (not necessarily in order) most common filename extensions: 1. .doc – this is the file extension for a file created by Microsoft Word, the most popular word processing software. The most recent version of Microsoft Word is OOXML-based and has the filename extension of .docx 2. .jpg – this is the filename extension for the compressed graphic format standardized by the JPEG (Joint Photographic Experts Group). Most digital images we see in the internet and in computers are in the JPEG format and has the filename extension of .jpg. This file can be viewed in most image viewing and editing software. 3. .exe – this is the extension for Windows or DOS executable programs. If a file has this extension, it is a program and runs when opened. Self-extracting archives also have this extension. 4. .htm or .html – the extension for HTML web page. HTML stands for “Hyper-T
