公開 こうかい受信 じゅしん しゃ表示 ひょうじではありませんでした
hikōkai jushinshahyōjidewārimasendeshita

Noun
Desu Copula

The polite, past negative form of 非公開受信者表示

1. Was not a non-public recipient display.; Was not indicated as a non-public recipient.

Past/Perfective
Negative
Polite
Formal Register
Computing