Almost all my transaction are duplicates. Is there away to fix them all at once or do I have to do it one by one?

Yes, there's a way to fix them, nikkigreene, and there's an option to exclude the duplicates in batches.

I'm sharing with you this article with steps to guide you in handling duplicate transactions and how you can prevent them in the future. Please check this out: Handle duplicate transactions in QuickBooks Self-Employed. It also explains why we encounter duplicates on rare occasions.

If you have other questions, feel free to go back to this thread.