Here are some reasons they are not on MSN Messenger:
I hope this will help you.
yes i have been using the first msn messenger for along time and all my friends have the newest version and i can still chat to them.
MSN Intant Messenger (IM) was retired in April 2013 and is no longer available. MSN Messenger allowed a person to chat with friends and play online games.
One can search MSN for friends by simply opening the messenger and selecting the friends tab where one will see their friends list. New friends can be added by entering their email.
MSN Messenger for Macs can be downloaded from Microsoft's MSN Messenger for Macs page (See links below).
Yes, Skype is like an advanced version of MSN, like you can add friends from your Facebook and stuff. You can also sign in with your messenger, Hotmail or outlook account.
MSN Installer installed MSN Messenger, which is a very outdated version of the Windows Live Messenger product.
Microsoft's Messenger for Macs (See links below) is quite like MSN Messenger.
Windows Messenger was created by MSN in 1999. It was then the competitor of AOL Instant Messenger. It was later known as MSN Messenger.
You can use the MSN service on your mobile by going to the MSN messenger website, and you will be redirected to the mobile version. Alternatively, you can download an MSN app such as Microsoft's 'Messenger' app.
http://en.softonic.com/s/download-msn-messenger-8.5
press the "post note " hyperlink on the bottom of your msn messenger
One can get MSN Messenger for Blackberry by going to the blackberry app world website on the phone or application, searching for the MSN Messenger application and download for free.