Mega (formerly MegaUpload) is a popular cloud storage and file-hosting service known for its end-to-end encryption. Because it allows users to share large folders via a single URL, it has become a primary hub for various types of data:

An option for the link creator to allow "Follow" mode. If the creator adds new files to the shared folder, those files automatically appear in the recipient's "CP" folder.

MEGA CP files are compressed files that are uploaded to MEGA, a cloud storage service. MEGA is known for its generous free storage capacity and user-friendly interface.

When sharing, consider whether you want to generate a direct download link or a link that leads to the file on the service's website. Direct links can be convenient but consider the security implications.