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Thursday, May 23, 2024

Deleting a Common Mailbox Messages after so many days in Exchange servers/Office 365

I have a common mailbox where the messages have to be cleared which are older than 30 days.

Note : This feature requires an Enterprise Client Access License.

Login to EAC (Exchange Admin Center) – Compliance Management – Retention Tags – Click on 1 month Delete.


We are specifying

Delete and Allow recovery – Moving to dumpster then it stays in the dumpster for the retention period specified on the database. if there is a retention specified on the mailbox it takes precedence.

If you choose Permanently delete it never gets moved to dumpster – Non recoverable. We are specifying the item reaching the age of 30 will get archived.


Compliance Management – Retention Policies  – Add the retention tag we created “Click on 1 month Delete”

Choose save


Now apply the Retention Policy on the mailbox

Recipients mailboxes – Mailbox Features – Retention Policy (Choose the policy we created)

Choose save.


Now any Items which are older than 30 days will be archived in the common mailbox.

Satheshwaran Manoharan
Satheshwaran Manoharanhttps://www.azure365pro.com
Award-winning Technology Leader with a wealth of experience running large teams and diversified industry exposure in cloud computing. From shipping lines to rolling stocks.In-depth expertise in driving cloud adoption strategies and modernizing systems to cloud native. Specialized in Microsoft Cloud, DevOps, and Microsoft 365 Stack and conducted numerous successful projects worldwide. Also, Acting as a Technical Advisor for various start-ups.

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