Do you still see transactions under "Ready for export" even though they've already gone into the accounting system? Or have you entered a transaction manually into your accounting system, and wish to move them from the "Ready for export" to "Exported"?
Then it's possible to manually mark the desired transactions as Exported.
How to do it:
To move a transaction from "Ready to export" to "Exported", you need to click directly on the transaction in the transaction list. The settings for the transaction will appear to your right. Here you scroll down to the bottom and click on "Advanced accounting".
Scroll down and klick on "Manually mark as exported". Then it's done!