Thank you for following the suggested solutions, patr1ckl.

We've already provided the things that we can suggest from here. At this point, it's best to contact our phone or chat support again, so they can use more tools to check why you still can't import your data in QB Pro 2021. They're available up to 6 PM PT today.

Free free to reach back out if you have any other questions about converting your file. Take care and have a good one.