Limited time. 50% OFF QuickBooks for 3 months.
Buy now & saveI'll provide you with the initial steps before merging the duplicate account, @hateu1.
Let me help you clean your client's bank account in QuickBooks Online Accountant (QBOA) so reports and books are always accurate.
If your previous banking transactions are already reconciled, I suggest you leave the data untouched. We can exclude the new bank transactions (January to March) to fix the duplicates.
Go as follows:
For more details, see this link: Unmatch downloaded bank transactions or move them to another account.
After that, you can now merge the accounts. Before that, ensure to save the reconciliation reports, so the transactions remain on the linked account and stay reconciled.
Furthermore, check out these articles below on how to fix incomplete transactions and fix some reconciliation errors in QBOA:
If you need further help with managing your banking, please leave a comment below. Happy to offer my support in any way I can.