noun, noun which may take the genitive case particle 'no'
Computing term for a compressed file or archive that can decompress itself without external software. Often used attributively with ファイル or 形式.
See also: 自己解凍
この自動解凍ファイルを実行すると、中身が展開されます。
When you run this self-extracting file, its contents will be extracted.
Synonym also meaning self-extracting; 自動解凍 is more common in modern usage.
Compound of 自動 (automatic) and 解凍 (decompression, literally 'thawing'), referring to automatic decompression of files.