This page helps you logout of the multiple SSO solutions used by W&M.
Each button below will open a new browser window and log out of the service specified.
Log out of CAS first as it is used to authenticate to Shibboleth, which many external services use.
Shibboleth is used by most external web services supported by the college.
Office 365 will allow you to use very long sessions so you may need to log out of it separately to troubleshoot an issue.