A very common question we get is if Transaction Pro Importer will allow you to import memorized transactions in QuickBooks. The reason why we get this question frequently is because it is very time consuming to open up every transactions if you need to make a modification to one line only. Unfortunately, Intuit has never given developers access to memorized transactions.
What we suggest instead is to not use memorized transactions to begin with but to instead just use the Transaction Pro Importer to create these recurring transactions. Then you can easily modify the transactions in Excel and re-import the file.