noun
diplomatic documents; diplomatic papers
Refers to official documents exchanged between states or used in diplomacy, such as treaties, communiqués, and diplomatic correspondence.
外務省は外交文書を公開した。
The Ministry of Foreign Affairs released the diplomatic documents.
公文書 is a broader term for official or public documents, while 外交文書 specifically refers to diplomatic documents.
Compound of 外交 (diplomacy) and 文書 (document).