Changing Your WiscList E-mail Address to Your New Office 365 E-mail Address
This document will direct you to the instructions with which you can change your existing WiscList subscriptions from a previous address to your new Office 365 address.
Global Address Change
Global Address Change allows users to change the address associated with all lists of which they are a part. Go to Global Subscription Options and follow the instructions under "Accessing Global Subscription Options" and "Global Address Change (Office 365 Migration)".