How to check Exchange mailbox GUID

In Microsoft Exchange, each mailbox is uniquely identified by a Global Unique Identifier (GUID). Learning how to check the mailbox GUID is essential for administrators to verify that they are working with the right mailbox, which helps in preventing potential data loss and simplifies the management of user mailboxes.

ManageEngine Exchange Reporter Plus, an extensive tool used for reporting, auditing, monitoring, and creating alerts for critical activities in your Exchange environment, simplifies this task with the Mailbox Enabled Users report.

Exchange Reporter Plus supports these Exchange Server versions:

• Exchange Server 2019
• Exchange Server 2010
• Exchange Server 2016
• Exchange Server 2007
• Exchange Server 2013
• Exchange Server 2003

Steps to check the Exchange mailbox GUID using Exchange Reporter Plus

1. Navigate to Reports > Exchange Server > Mailboxes.
2. Under the General Reports category, select Mailbox Enabled Users.
3. Select the Exchange organization where the mailbox, whose GUID you're looking for, is located, and click Generate.
4. A list of every mailbox in your Exchange organization will be displayed along with the Mailbox GUID.