You may want to export your InTouch calendar and add it to your google or Outlook one. You can, so here are a couple of steps that show you how to do this.
Click on 'Calendar' > Select the relevant options whether it's weekly or monthly and click on select "Export to iCalendar"
A download of that selected view file will begin.
So once you have exported the file, you will now be able to import that in to the different calendars you wish to use.