You type part of name or address at Adist, Adist complete remains and "type" a full address to the "TO" or "CC" field of your mailer software. With this utility, you can complete mail address by just typing several letter keys. Adist is designed to work with virtually all mail client programs--Microsoft Outlook Express, Eudora, and so on. You do not need to export/import your address book when you change mail client software.