It is possible to use also the following address: portal.office.com. When this address is used the service will not open directly to your email but to an overview of features.
Having problems logging in to the Office 365 service? You can try to solve the problem with these advice:
More information about Office 365 can be found in the University of Tampere intranet: https://intra.uta.fi/portal/en_GB/group/info-center/office-365