Download Cumulative Update 20 for Exchange Server 2013 (KB4055221) from Official Microsoft Download Center

Hands type on a Surface Pro 6 with Type Cover

New Surface Pro 6

Stand out from the ordinary

Cumulative Update 20 for Exchange Server 2013 (KB4055221)

Important! Selecting a language below will dynamically change the complete page content to that language.

Select Language:
Cumulative Update 20 for Exchange Server 2013 (KB4055221)