.TXT File Extension
File TypePlain Text File
A TXT file is a standard text document that contains unformatted text. It is recognized by any text editing or word processing program and can also be processed by most other software programs.
Generic text files with filenames that ending in ".txt" are created by Notepad for Windows and by TextEdit for Mac OS X when document formatting is removed.
NOTE: Various hardware devices, such as smartphones and the Amazon Kindle, and web browsers, such as Chrome and Firefox, also recognize plain text files.
New Text Document.txt - The default filename Microsoft Windows gives to new text documents created via the context menu (right-click on the desktop and choose).
README.txt - A text file commonly included with software installers that provides information about the software. Users should often read this file before using the software.