I've got your back, @vytronaccounting.

Yes, you can re-enter a deleted default account in QuickBooks Desktop (QBDT). I'll be happy to guide you through the steps.

1. Open your QBDT company file.
2. Go to the Lists menu, then select Chart of Accounts.
3. From the Account drop-down, choose New.
4. Click Other Account Types and then select Other Current Asset from the drop-down.
5. Select Continue.
6. In the Account Name field, enter Undeposited Funds. Then, add an Account No. if you want to.
7. Click Save & Close.

I'm adding this article for more guidance: Add, edit, or delete accounts in QuickBooks Desktop.

You might want to learn how the Undeposited Funds account works in QuickBooks. This article will provide you the detailed information: What’s the Undeposited Funds account?

Please let me know if you need clarification about this, or there's anything else I can do for you. I'll be standing by for your response, @vytronaccounting.