Adding Office 365 to Your DayBack
Turning on the Office 365 Feature Preview
If you're already using DayBack, turning on the preview is as easy as visiting DayBack's admin settings, and turning visibility "on" for the Office 365 calendar source:
Once the source is visible in your group, you'll see an "Authorize" button. Click this to grant DayBack permission to see your Office 365 Calendars.