To unblock someone you have blocked from Outlook Express

To unblock someone who is online

1. In the Contacts pane in Outlook Express, double-click the name of the contact you want to unblock.
2. In the instant message window, click the Unblock button.

   Now this person can see your online status and send you messages.

1. In Outlook Express, click the Tools menu, point to the name of your messenger service, and then click Options
2. Click the Privacy tab.
3. In the My Block list, click the name of the person you want to unblock, and then click Allow.

Block someone from sending you an instant message from Outlook Express