“Backward compatible” in Japanese
Short answer
Backward compatible in Japanese is “後方互換” (kouhougokan). Full meaning: backward compatible, downward compatible.
Other ways to say “Backward compatible” in Japanese
上位互換
jouigokan downward compatible, backward compatible; upward compatible, forward compatible; providing the same function while being more effective (esp. in games)
下位互換
kaigokan upward compatible, forward compatible; downward compatible, backward compatible; providing the same function while being less effective (esp. in games)
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