With the purchase of Extended Security Updates (ESU), you will receive Critical security updates for up to three years past the end of the support date. You will also be able to use your existing support contract to receive technical support for covered servers.

With the purchase of Extended Security Updates (ESU), you will receive Critical security updates for up to three years past the end of the support date. You will also be able to use your existing support contract to receive technical support for covered servers.

PSTN calling and enterprise-grade voice features using Skype for Business servers on-premises or hosted by a partner.

PSTN calling and enterprise-grade voice features using Skype for Business servers on-premises or hosted by a partner.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

A Client Access License (CAL) is required for each user or device that accesses the server software. Please purchase the appropriate number of user and device CALs for each user or device that accesses the server.

Server endpoint security optimized for small and medium sized business.

The world’s most trusted e-sign solution, makes e-sign document fast, easy and highly secured. Simply create forms, sign, and send documents from anywhere.

Configure third-party dial-in phone numbers from telecommunication providers on Microsoft Audio Conference bridge.

Microsoft Defender for Cloud Apps is a cross-platform cloud solution extending IT visibility, governance and control to the cloud applications.