Search the address book using registered e-mail addresses.
Press [Search].
Select [Search by E-mail Address] using [] or [], and then press the [OK] key.
Enter the e-mail address you want to search for, and then press the [OK] key.
You can also search by entering part of the e-mail address.
Press the [OK] key.
The search results appear.
Select the name using [] or [], then confirm it by pressing [], and then press the [OK] key.