How to Check the Archive Mailbox Size

1.     Go To Exchange Admin Center

https://admin.exchange.microsoft.com/



2.     Click on Recipients and then Mailboxes.



3.     Select the User and a window will open on righthand side.



4.     Click on Others.



5.     Click on Manage Mailbox Archive.



6.     Here you can check the size of Archive Mailbox.

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