In case of outlook.office365.glbdns2.microsoft.org access difficulties, incorrect redirection settings across different versions may be the cause. Try accessing the site using one of the alternative links below:

http://outlook.office365.glbdns2.microsoft.org https://outlook.office365.glbdns2.microsoft.org

Or return to the current status page of outlook.office365.glbdns2.microsoft.org.