Steps to recover emails from Drive
Step 1. Select drive from "Scan Disk " tab and press "Scan Emails" button
Step 2. As soon as you click on "Scan Emails" button, recovery process gets started. Each item will be recovered in separate tab as shown in below screenshot.
You can also see the recovered email preview just clicking on it.
Step 3. Just save the recovered emails by clicking on "Save" button.