Microsoft has released Microsoft Messenger for Mac 6.0.3
Messenger for Mac 6.0.3 makes it easy to take advantage of the full power of instant messaging, and it is a Universal application built to run on both PowerPC-based and Intel-based Macs. If you encountered a sign-in issue with Messenger for Mac 6.0, you should upgrade to Messenger for Mac 6.0.3.Microsoft Messenger for Mac 6.0.3