Tools >> Options >> Privacy >> Blocked Contacts. You can unblock them from there.
does this contact appear in your blocked list when you go to the section I specified?
if u need help unblocking some one on skype all u have to do is follow thses easy steps. There are only 5!
1. serch them again in the serch bar
2.go to the name of who u are unblocking and double click or right click
3. after right clicking a list should pop up with one of the things saying unblock
5. u have finally unblocked a friend of urs on skype
if this has not worked out for u plz email me my user is Oaidan114@gmail.com
All you have to do is first find them on the add a contact, and click their name, then you click the blue button, after you will be brought to your skype page where you click the unblock button at the top
and your done
this helped me alot..
i accidently blocked my boyfriend
now i can help others.!!