(= Rich Text Format, "rikastatud tekstivorming")

olemus
dokumendifaili omandvorming (Microsoft, 1987),
platvormist suhteliselt sõltumatu
ASCII-fail, milles on vormingut määravad käsud
NB! pole sama mis kunagine meilivorming richtext
= a document file proprietary format (Microsoft, 1987), a relatively platform-independent ASCII file containing commands that define the format

ülevaateid
https://en.wikipedia.org/wiki/Rich_Text_Format

http://interglacial.com/rtf/

https://www.safaribooksonline.com/library/view/rtf-pocket-guide/9781449302047/ch01.html