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In order to have a group that is available to multiple or all users within Concordia University of Edmonton, IT Services can create the group. These groups can have different levels of security, depending on the requirements. Everything from announcement-only groups, internal-only groups, university-only groups, to publicly-available groups (also known as mailing lists).
Further Information
You can always contact IT Service for further information about accessing your contact list and related issues.
Additionally, here is a helpful resource from Google: