Text file
WordNet
noun
(1) (computer science) a computer file that contains text (and possibly formatting instructions) using seven-bit ASCII characters
WiktionaryText
Noun
- A simple data file containing only plain, human-readable, relatively unformatted text. A text file is distinct from a word processing file containing a formatted document, from other kinds of application-specific data files including spreadsheets and images, and from binary files containing raw, machine-readable data.