Access to on-prem mailboxes
To get at access (currently) to the TC-AAIR mailbox
Go to http://outlook.com
Sign in using your TC network credentials (if prompted).
Click your account on the type right corner
Select "Open another mailbox"
Example:
Type the name of the mail box TC.AAIR-RAINA.TC@tc.gc.ca into the textbox
Example:
Press the link similar to the one highlighted in yellow.
Login using your using your TC login.
Example: