Go to the “/Library/Preferences” folder and remove the “.plist” file.Go to the “/Library/Application Support” folder from your main hard drive and remove the “Microsoft” folder.Go to your home folder, open the Library folder and then open the Preferences folder.Go to your home folder, then go to the Documents folder. Remove the “Microsoft User Data” and “RDC Connections” folders.Remove the “Microsoft Communicator” and “Microsoft Messenger” applications.
If a file or folder that you are asked to remove doesn’t exist then move on to the next step.