We have just released one of the most requested features... Recurring Appointments.
You can now add repeat appointments simply when creating or editing an appointment, it looks like this:
In that example, we are creating fortnightly appointments (ie. every 2 weeks).
If the repeated appointments create a clash in your calendar, you will be alerted of this and be able to resolve them quickly. The alert looks like this:
We hope this makes things a bit easier for you.
UPDATE: Make sure you refresh your appointments page if you have left it open.