txt
n. countable B1 Intermediate txt
n. a simple computer file that contains only plain text without any special formatting like bold or italics. You often see this as a file extension at the end of a document name.
n. a standard file format containing unformatted text, typically encoded in ASCII or UTF-8. Often used as a filename extension to indicate a plain text document.
Please save the notes as a txt file.
The software requires a simple txt file for the configuration settings instead of a formatted document.
While modern word processors use complex XML structures, a txt file remains the most portable format for sharing raw data across different operating systems without compatibility issues.
Usage
Commonly used as a shorthand for 'text file' or as the literal file extension '.txt'.