"Archivo de Descarga 2.7z" refers to a compressed file archive. The extension indicates it was created using 7-Zip , a free and open-source file archiver known for high compression ratios.
: A highly recommended free app from the App Store if the built-in tool fails. Mobile : Archivo de Descarga 2.7z
: Only open .7z files from websites you trust. "Archivo de Descarga 2