Person using a laptop while seated at a large conference room table in an office building high above a city

Exchange Online Protection

The version of Microsoft 365 is not available in your country/region. Visit Microsoft Storeto find out which versions of Microsoft 365 are available in your country/region.

Get enterprise-class protection and reliability

Guard against spam and malware, maintain email access during and after emergencies, and simplify administration of messaging environments with help from Exchange Online Protection deployed across a global network of data centers.

Features included

  • [noalt]

    Eliminate threats

    Eliminate threats before they reach the corporate firewall with multi-layered, real-time anti-spam and multi-engine anti-malware protection.

  • [noalt]

    Quality service

    Five financially backed SLAs attest to a high quality of service, including protection from 100% of known viruses and 99% of spam.

  • [noalt]

    Exchange Administration Center

    Manage and administer from the Exchange Administration Center—a single web-based interface.

  • [noalt]

    Content filtering

    Active content, connection, and policy-based filtering enables compliance with corporate policies and government regulations.

  • [noalt]

    No hardware required

    No hardware or software required to install, manage, and maintain, which minimizes up-front investment.

  • [noalt]

    Easy to maintain

    Simplify IT environments by reducing the need for in-house email security servers and apps.

  • [noalt]

    Easy deployment

    Get up and running quickly with a simple MX record change.

  • [noalt]


    Protect your company's IP reputation by using separate outbound delivery pools for high-risk email.

  • [noalt]


    Globally load-balanced network of datacenters helps to ensure a 99.999% network uptime.

  • [noalt]


    Near real-time reporting and message trace capabilities provide insight into email environments by retrieving the status of any message that Exchange Online Protection processes.

  • [noalt]

    IT-level phone support

    IT-level phone support 24 hours a day, 7 days a week, 365 days a year at no additional cost.

  • [noalt]

    Scheduled payments

    Get a predictable payment schedule through a subscription-based service for customers with an on-premises email deployment. Exchange Online Protection is also included in Exchange Online and any Microsoft 365 plan that includes Exchange Online.

  • [noalt]

    Easy to manage

    Ensure that no email is lost or bounced by automatically queuing email if the destination email server becomes unavailable for any reason.

Exchange resources

Information for IT pros

Information for Microsoft partners

Additional requirements

*ow:[[msrpwithcurrency]] user/month offer applies only to a user’s mailbox hosted on premises.