ALZip Copmpressed File
ESTsoft is a company from South Korea that does software development, one of there products ALZip makes use of the .egg file extension this is used to compress archives and supports Unicode, AES-256 file encryption and file splitting.
If an archive is split it will be shown as "File-name.vol1.egg etc dependent on the number of splits in the file.
ESTsoft makes use of egg related icons and logos in its software's.
How to open .egg files?
Software to open .egg files
What are .egg files