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Definition: BlackBerry Enterprise Server

The server component from BlackBerry that synchronizes mail and calendar data between BlackBerry phones and the enterprise's messaging servers: Microsoft Exchange, IBM Lotus Domino and Novell Groupwise. BlackBerry Enterprise Server (BES) was the major ingredient that enabled BlackBerry phones to take off in the 2000s. Third-party software for other mail servers is also available.

In January 2013, BES 10 was introduced, a major upgrade that provides a single console for managing BlackBerry 10, Apple iOS and Android devices. See BlackBerry, BlackBerry 10 and BlackBerry Balance.