Transfer of data from old version of Appointments+

Hello,

I built a website for a client a year ago using version 1.2.3.3 of Appointments+

I have now been building a brand new site for the client on a development domain. I have downloaded and installed a fresh install of the latest version of Appointments+ on the new website. I was wondering if there was a way I could export settings / old transactions / old appointments and upcoming appointments into the new version of appointments +

Regards

Glynn