If you already use Google Calendar for your business, this step-by-step will show you how to turn on the Add On that will let you and all of the users of your account sync their Google Calendar with their mHelpDesk Calendar. 

First you will need to go to Settings and in the Other column,  and then click Add Ons. (Screenshot A)

Once in Add Ons, scroll until you see the tile that says Google Calendar 2-way sync and switch the toggle from Off  to On. (Screenshot B)

After you’ve done that, you and your users will now be able to sync their Google Calendars with their mHelpDesk Calendar. Now learn how to Activate Google Calendar Sync.