That dot should be followed by some shortened acronym of some sort. Whether you’re looking at a file on your computer or you’re looking at a file on the internet, generally you’ll see the file name followed by a dot.

You can generally find file extensions in one of two places. This isn’t important if you don’t need to use a specific file format, but if the company you work for only uses a certain file extension type for quality or efficiency-related reasons, you’ll have to be familiar with the concept of extensions. Some videos require a specific video player to watch them. For example, certain types of RAW photos require that your computer have certain drivers on them.

They also require something different from your computer or browser. Different types of videos include AVI, WMV, and MP4.Įach file extension varies in quality and size. There are different types of text documents like DOC, HTML, TXT, and PDF. There are different types of images like JPEG, GIF, PNG, and RAW.

Images, videos, spreadsheets, word documents, and anything else you interact with are different ways of showing data.Īlthough we can put different types of data into these general groups, it’s more useful to talk about them as specific file extensions.ĭifferent groups of data have different ways to represent the data they’re conveying. This data can be roughly grouped together by how it’s presented. Both your computer and the internet are nothing more than collections of data held within an electronic filing system.

Whether you’re talking about your computer or the internet, what you’re really talking about is data.

How to view file types windows 10