Your e-mail address has changed to your firstname.lastname@example.org. The new e-mail address will show in the “From” section. E-mails sent to your old e-mail address will be forwarded to this one. The change will allow you to use identical Office 365 and Google Apps logins.
OIT recommends updating your friends, family, and online services with your new e-mail address over the next few months.
OIT has also compiled a list of frequently asked questions that you might have about this change.