User:Yanp2k/Exchange ActiveSync

Exchange ActiveSync is a wbXML protocol used to synchronize PIM data. It was developed by Microsoft in 2000 and was first released within the Mobile Information Server. The protocol has evolved significantly since then with major versions released as part of the Exchange Server since version 2003.

Exchange ActiveSync Protocol Versions
Exchange ActiveSync has a number of different protocol versions, namely 1.0, 2.0, 2.1, 2.5, 12.0, and 12.1