Use apps like iZip (iOS) or ZArchiver (Android) to open the archive. 4. Security Warning
Files with names like received_[numbers].7z are generic. Because they are compressed, antivirus software sometimes cannot scan the contents until they are extracted. Datei herunterladen received_509235654543633.7z
Download 7-Zip (free and open source). Once installed, right-click the file and select 7-Zip > Extract Here . Use apps like iZip (iOS) or ZArchiver (Android)
Since Windows and macOS do not always support .7z files natively, you will need a third-party tool: .scr) found inside.
with an updated antivirus (like Windows Defender or Malwarebytes) before opening any executable files (.exe, .scr) found inside.