When an Exchange mailbox is deleted, the contents in the mailbox are permanently deleted and cannot be recovered.
How long does exchange keep a deleted mailbox?
Deleted mailboxes are still stored on an Exchange Server for up to 90 days.
How long does Office 365 keep deleted mailboxes?
Office 365 keeps deleted mailboxes for 30 days. Deleted mailboxes are moved to the Recycle Bin, which is stored on Microsoft’s servers.
When there is space, the oldest items in the Recycle Bin are permanently deleted and removed from your organization’s data center.
How long do emails stay in exchange?
Emails can stay in your Exchange server for up to 6 months.
Can you recover emails from years ago?
Emails are considered a digital form of communication and can be recovered if the servers that held them are still in operation. The most common way to recover an email is by using the email recovery software.
