Topic summary
ATOK
ATOK (; エイトックJapanese pronunciation:) is a Japanese (IME) produced by JustSystems, a Japanese software company.
ATOK is an IME with roots from KTIS (Kana-Kanji Transfer Input System) and comes with JS-WORD, the Japanese word processor software for PC-100 in 1983, but it now supports a variety of platforms including macOS, Windows, Android, and iOS.
Once ATOK meant Automatic Transfer Of Kana-kanji. Now, it means Advanced Technology Of Kana-kanji Transfer. It is occasionally taken to stand for Awa-TOKushima, site of the headquarters of JustSystems, or Alphabet TO Kanji.