Microsoft has quietly released another update to the users interface. This time they are allowing the user to set which start page the user would like to get when they log on.
To access this new feature, log into your Office 365 portal, click the gear just to the right of your picture (or Picture placeholder) and choose “Office 365 Settings”. Over on the left, you should see “Start Page”. Once you select that, you will have a drop down that allows you to set what start page you would like. Your Options are:
I am sure that depending on what services you have, the choices can be different.