If you want to sync Timetastic bookings into your Office 365 calendar, just follow these steps:
1) Head to "My Calendar" and click "Calendar Integrations"
2) We are looking at the lower section "Calendar Subscriptions"
3) Select ‘Copy URL’ for the feed you wish to subscribe to, to copy the link to your clipboard.
5) Go into your calendar in Office 365. Then, select "Add calendar>From the Internet" from the menu option at the top:
6) In the "link to the calendar" field, paste your URL link, then click save.
That's it! All of your Timetastic holidays should now be showing in your Office 365 Calendar