Yes you can export out your whole contacts database if you decide to cancel. Please follow the steps below to do the export:
1. To export data click on the Export button, located in the contacts section (see screenshot below)
2. Next choose between Windows 1252 (this is the default and will export the data out in normal characters). Only use the the UTF-8 option if you have foreign characters or unusual numeric characters etc in your data).
3. Once you have chosen which format you need click on the export button. This allows you to export out the data into a machine readable format i.e. csv format.