Microsoft updates IM tool for Macs

Microsoft has released a new version of its instant-messaging software for Apple Computer's Mac OS X operating system, the software giant said Tuesday. The free software, Messenger for Mac 5.0, will be available in eight languages from Microsoft's Mactopia Web site starting sometime Tuesday, Microsoft said.

The new version will let people simultaneously access corporate and personal instant messages. That is, people will able to send instant messages from behind a corporate firewall, if they are running Microsoft Office Live Communications Server 2005, in addition to being able to hit a tab to send and receive personal IMs.