OK_should_be_in_capital letters(or_okay)Last updated Oct 15, 2022 Edit SourceAllEnglish# EnglishOK/okay is a word with uncertain origin.Both “OK” and “okay” is acceptable, but ok is only used for convenience.Sources:https://www.writing-skills.com/ok-ok-okay-how-do-you-write-okhttps://english.stackexchange.com/questions/108213/must-ok-only-be-written-in-capital-lettershttps://www.lifehacker.com.au/2013/08/its-not-ok-to-write-ok/