One of the most common cause of email disappearing is that they got deleted accidentally. Let’s have a look on how to recover email disappeared outlook and gmail email disappeared. First, go to the trash folder and check if your email is there. Open your Outlook application. Then, click on deleted items you want to recover. There is an option of, recover items recently removed from this folder. Click on that and now select the emails you want to restore. Thereafter, click on ok to recover them.