OneCalendar no longer starts

Problem

OneCalendar no longer starts.

First of all your appointments information is safe, your appointments are synced to the cloud so your valuable information is not lost.

• For Google accounts visit https://www.google.com/calendar
• For Outlook, Live, Hotmail accounts visit https://www.outlook.com/. Now select the calendar at the top left.
• For Exchange, Office 365 visit the corresponding website.

Solution

Follow the steps described by Microsoft on this page

Still problems?

You can contact Microsoft support.