DOC is the original extension that is used for Word documents, but Microsoft changed the format when Word 2007 debuted. There are many kinds of file extensions, so only a small part of frequently used file extensions will be listed here. doc is the file extension, which indicates that this file is created with Microsoft Word.
For example, if a file is named as awesome.doc. If you have opened documents or checked pictures, you may notice these letters. The file extension is a three-letter code appearing at the end of the file name. In Windows PCs, file extensions are used by operating systems to recognize what applications are related to what file types. How to Change File Extension in Windows 10Ī file extension or known as filename extension is a suffix at the end of a computer file.
