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If you have problems retrieving your login information, please call the Help Desk at 573-518-3850.  You can also email your phone number to the Help Desk at and someone will follow-up with you by the next business day.


Changing your password in MyMAC will automatically change your passwords for email and main campus computers.  This may take up to 10 minutes to take effect. 

Password change instructions


For best results, MAC recommends using MyMAC from a laptop or a computer.