How to say "archive" in Japanese

• アーカイブ
  nounThe loanword, usable for both archive institutions and stored collections of data or files, especially digital ones. A safe choice when talking about computer or website archives, though less common overall.
  アルクのホームページには英語えいご表現ひょうげんのアーカイブがありますか。↗

  Does ALC's web site include an archive of English expressions?
• 記録保管所きろくほかんじょ
  nounA native compound meaning a place where records are kept and preserved; it covers the institutional sense of 'archive'. Suitable for a facility that stores official or historical records.
• 文書館もんじょかん
  nounAn institution that collects and preserves documents, matching 'archive; archives'. This is the natural native word for a public or governmental archives institution, as in a national or prefectural archives.
• 過去ログかこログ
  nounSpecifically an archive of past posts on an online mailing list or message board. Only use this for saved old threads and messages on the internet; it does not cover archives in any other sense.
• 資料館しりょうかん
  nounGlossed as 'archive', but its primary senses are museum, reference library and record office. For the plain sense of 'archive' this is seldom the word you want; choose it only when the facility doubles as an exhibition or reference institution.

For the physical institution sense, choose 文書館 or 記録保管所; 「アーカイブ」 is the loanword for both institutions and digital archives; 「過去ログ」 covers online message archives; 資料館 is really a museum or reference library.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

• アーカイブarchive
• 記録保管所きろくほかんじょarchive
• 文書館もんじょかんarchive
• 過去ログかこログarchive (of an online mailing list, message board posts, etc.)
• 資料館しりょうかんmuseum
• 書庫しょこarchive (file)
• 魚拓ぎょたくsnapshot of a web page (to preserve its contents)