Outlook now remembers and stores the e-mail addresses you type in the From, To, Cc, and Bcc boxes. When you begin entering an e-mail address that you typed previously, Outlook automatically recognizes it and completes the address for you. To accept a suggestion, all you have to do is press the ENTER key.

Sometimes you may not want an e-mail address to appear repeatedly. In that case, it's easy to delete it from the suggestions list.

To delete stored e-mail addresses from the drop-down box

Use the arrow keys to select the e-mail address you want to delete, and then press DELETE.