Morning BillColen ,
You have 2 main options available to you right now based on what you have mentioned in your post.
If you are going to move from AccountRight into MYOB Business Lite (because you already purchased the subscription). Then you need to submit a request with the migration team to move the data from your AccountRight file into the MYOB Business Lite file. The migration form can be found here
The second option would be to take the AccountRight file online into an AccountRight subscription.
After the release tonight, you will be able to do this yourself without needing to call through to our sales or support team. Please see my recent post here with the information about what you can do tomorrow when going to AccountRight online.