Microsoft 365 Certified: Messaging Administrator Associate

Certification details


This certification will retire on December 31, 2023. You will no longer be able to earn this certification after this date. Certification renewal will be available for at least six months after the certification retires. Read the blog post.

Microsoft 365 messaging administrators manage a secure, efficient, and effective email collaboration platform using Microsoft Exchange Online and Microsoft 365.

Messaging administrators plan, configure, and manage recipients, mail flow, threat protection, compliance, and client connectivity.

Messaging administrators collaborate with administrators of other workloads, including security, compliance, identity, and networking, to implement a secure cloud messaging topology that meets the business needs of an enterprise.

Candidates for this certification should have a working knowledge of authentication types, licensing, integration with Microsoft 365 applications, Exchange Management Shell, Microsoft Purview, and Microsoft Azure Active Directory (Azure AD), part of Microsoft Entra.


The English language version of this certification was updated on May 2, 2023. Review the study guide linked on the Exam MS-203 page for details about recent changes.

Take one exam


Microsoft 365 Messaging

Earn the certification


Microsoft 365 Certified: Messaging Administrator Associate

Skills measured

  • Manage Microsoft Exchange Online settings and resources
  • Plan and manage the mail transport architecture
  • Secure the messaging environment

Job role: Administrator

Required exams: MS-203

Go to Learn Profile

Two ways to prepare

Items in this collection

  • Learning paths or modules are not yet available for this certification

Certification exams

  • MS-203: Microsoft 365 Messaging

    Languages: en ja zh-cn ko de fr es pt-br zh-tw it

    Retirement date: **

    This exam measures your ability to accomplish the following technical tasks: manage Microsoft Exchange Online settings and resources; plan and manage the mail transport architecture; and secure the messaging environment.

    Price based on the country or region in which the exam is proctored.

    Take a free practice assessment

    Test your skills with practice questions to help you prepare for the exam. Learn more about practice assessments.

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* Pricing does not reflect any promotional offers or reduced pricing for Microsoft Certified Trainers and Microsoft Partner Network program members. Pricing is subject to change without notice. Pricing does not include applicable taxes. Please confirm exact pricing with the exam provider before registering to take an exam.

** Complete this exam before the retirement date to ensure it is applied toward your certification. After the retirement date, please refer to the related certification for exam requirements.