Extracting data from backups

Continuing the discussion from Money set aside for tax bill:

Continuing the discussion from Clearing account practice info to start with a fresh acc:

Is it possible to clear all data, then delete all practice entries (or messed up transactions I got in a muddle with!) from the CSV files sent me as a weekly backup, then reimport the data from the CSV so I don’t have to input everything individually?

You could set up another QF account for testing with. This would mean you would have to enter the actual transactions that aren’t for testing twice but you don’t have to worry about the second account drifting off and having to clear data in the future.