There are two ways to “Mark as unread” an email.
Option 1 – From the Mailbox overview
1. Click "Mailbox" on the left menu > Hover over the top right corner of the email you want to “Mark as unread”.
2. Click the mail icon to “Mark as unread”.
Option 2 – From inside an email
1. Click "Mailbox" on the left menu > Click the email you want to “Mark as unread”.
2. Click the three-dot icon in the top right corner of the email thread.
3. Click “Mark as unread” from the drop-down menu.
Try this now in your Recruitee account! Make sure you are logged in to keep all your changes saved.