Denshi Jisho — Online Japanese dictionary

添付 てんぷ attachment (e.g. email); appendix (e.g. of a report, document, etc); annex; appendage; annexure
Common word, Noun, Suru verb, No-adjective 
添付書類 てんぷしょるい 1: attached papers;
2: (Computer terminology) attachment (mail, etc.)
Noun 
添付ファイル てんぷファイル attached file; attachment
Noun, Computer terminology 

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