If someone has blocked you on MSN Messenger, you may not be able to see their online status, send them messages, or add them to your contact list. There are a few ways to check if someone has blocked you on MSN.
One way to check if someone has blocked you on MSN is to try sending them a message. If the message is not delivered, it is possible that you have been blocked. Another way to check if someone has blocked you is to try adding them to your contact list. If you are unable to add them, it is likely that you have been blocked.