Add Addresses to the Address Book Automatically in Outlook 2000
To add addresses in outgoing emails to the Outlook address book automatically:
- Select Tools | Options... from the menu in Outlook.
- Go to the Preferences tab.
- Click on E-mail Options.
- Make sure Automatically put people I reply to in is selected.
- Chose the folder you want newly added addresses to appear in.
Add Addresses to the Address Book Automatically in Later Versions of Outlook
Later versions of Outlook do not include this feature, but third-party add-ons like Add Contacts can do the same job even more flexibly.

