Definition

Microsoft Exchange ActiveSync

Microsoft Exchange ActiveSync is a synchronization protocol that enables users of mobile devices to access email, calendar, contacts, and tasks from their organization's Microsoft Exchange server. Exchange ActiveSync is based on XML, and works on HTTP and HTTPS. Exchange ActiveSync allows users to access their data even when offline.

Exchange ActiveSync patents are licensed by Microsoft to mobile device makers. Individual licensees support varying subsets of the full set of Exchange ActiveSync features on their devices. Given the popularity of Microsoft Server, Exchange ActiveSync has been licenced by all the top mobile devices makers.

Exchange ActiveSync was introduced in 2002, and is currently at version 14.1. In 2011, Microsoft launched the Exchange ActiveSync Logo Program to certify third-party Exchange ActiveSync clients.

Related glossary terms: Android Factory Reset, AT&T Toggle, BlackBerry Balance, bring your own network (BYON), Google Apps for Business, dual persona (mobile device management), BlackBerry Enterprise Server (BES), remote wipe, mobile virtualization , BYOT (bring your own technology)

This was last updated in October 2011

Posted by: Margaret Rouse

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