A company and, by extension, a tape format for computer data backup and transfer. The tape is a data quality 8mm video cassette recorder tape. Exabyte units can store between five and fourteen gigabytes of data per tape. Exabytes are usually attached to Unix workstations.
(EB) A unit of data equal to 10^18 bytes but see binary prefix for other definitions. An exabyte is exactly 1000^6 bytes or 1000 petabytes.
1000 exabytes are one zettabyte.