Ensure the file ends strictly in .m4a . If it ends in .exe , .dmg , or .zip , do not open it, as these can contain malware.

.m4a (MPEG-4 Audio Layer), a standard format for high-quality digital audio.

If you did not trigger this download yourself from a reputable music store or streaming service, be cautious. "Datei herunterladen" is a generic prompt often seen on third-party download sites or file-hosting services.