Zettabyte A zettabyte is a measure of storage capacity and is 2 to the 70th power bytes, also expressed as 1021 or 1 sextillion bytes. One zettabyte is approximately equal to a thousand exabytes or a billion terabytes. The prefix is based on the pronunciation of the Greek letter zeta.

Zipping Zipping is the act of packaging a set of files into a single file or archive that is called a zip file. Usually, the files in a zip file are compressed so that they take up less space in storage or take less time to send to someone.