For the Mac you need to copy the subscription link. For this follow these steps:
- Go to www.rosterbuster.com and Login
- Navigate to menu Settings and tap Calendar
- You see here a link to your Calendar, copy this one.
The go to your Mac and add this link as subscribed calendar.
- Open the Calendar app
- In the calendar app select
menu File > New Calendar Subscription and put the url in there.
Please let us know if you run into any difficulties and we'll do our best to help.