The old deposits might have been removed from your bank during the conversion process, accounting303.
Let's make sure that we get this cleared out. You just need to make a one time deposit to move amounts away from the Undeposited Funds. Here's how:
- Click the + New icon and select Bank Deposit.
- Make sure the bank account and date are correct so they're recorded to the correct period and account.
- Select all old deposits and click Save and close.
This article will also share additional references and guides on what to do after converting your file: What to do after converting from QuickBooks Desktop for Windows or Mac to QuickBooks Online.
Please add another reply or post a separate question if you still need help while familiarizing your self with QBO.