If you are logging into your Office 365, Google Docs or Exchange Email Services then you need to make sure you are using the correct authentication.
Internet pages typically need three elements all to be correct in order for login to take place. Firstly they need the correct URL (Unique Resource Locator or Web Address).
They then will need your username or email address and then your password. Some pages also require a three point authentication from a mobile phone or dongle (such as your bank etc.)
so be sure to have everything you need before you login.
