Step 1: Sign into Exchange admin center.
Step 2: On the left pane, navigate to Recepients >> Mailboxes
Step 3: Select the multiple accounts for which the deleted emails must be recovered
Step 4: Now click on the three-dot icon and select Recover deleted items from the list of options
Step 5: Apply necessary filters such as the preiod of emails to recover
Step 6: Select the items and click on Recover deleted items
Note: A role group must be assigned for the administrators to import/export users’ emails in order to be able to recover emails