Mail and File Filtering Licenses and Suites

Microsoft mail and file filtering services are bundled in many license suites.

Exchange Online Protection (EOP)

EOP is included with all Exchange Online services, which in turn are included with Office 365 F1, E1, and E3 suites and in the Microsoft 365 E3 and E5 suites.

Customers can buy EOP stand-alone for Exchange Server and other mail services. It also is available through the Exchange Server Enterprise Client Access License (ECAL) "with services" and active Software Assurance. The Exchange Server ECAL with services is commonly bought in the ECAL Suite.

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