Import from HoneyBook, Dubsado, Aisle Planner or a spreadsheet.
About 5 mins
The reason people stay on software they dislike is the thought of moving a year of bookings by hand. Switching should cost an evening, not a season.
Your existing bookings appear as events, with clients attached.
Import in one go rather than a few at a time. Two half-imports produce duplicate clients, and merging those afterwards is the job you were trying to avoid.