If you have an Office 365 subscription, you might need help from Microsoft.
How to log a ticket from a client app, web app, or from your Office 365 account. These methods create a ticket that goes to Microsoft support. Regardless of how you log a ticket, you definitely need to be online to do so.
Currently, the Office 365 mobile apps take you to the Help and Support pages. However, there is no direct method for creating a support ticket. You can click around the help page until you find a link to a support page. However, this does not correspond to a specific option for contacting support. If you have a problem with a mobile app, the best way to log a ticket is using one of the methods described below.