TimeRex is a service that works with Google Calendar (including Gsuite) or Office 365 Calendar to display the available date and time on your calendar.
How to link Google Calendar (including Gsuite) with Office 365 Calendar is as follows:
Link to the calendar at registration
You can select the calendar to be linked to in the page that "which calendar's schedule would you like to use?" on the Quickstart.
TimeRex will work with the calendar you have selected here.You can change this setting at a later date.
Checking the linked calendars
1.Log in to TimeRex and view Dashboard.
2.Click on the part of the dashboard with your username in the upper right hand corner and select Account Settings.
3.On the left side menu, in Personal, select Calendar.
Change the linked calendar to another Google/Microsoft
If you want to work with a calendar from another account, you will need to register a new TimeRex account again with a new account.
On the TimeRexTOP page, go to New Account Registration and log in with the appropriate account.