Quickbooks Support Team feeling glad more than happy to help you with this!
Here is how can you restore a deleted bank account in QuickBooks Online:
- Click the Transactions tab on the left.
- Choose Chart of Accounts.
- In the Chart of Accounts table, click the Gear icon at the upper right corner.
- Put a check mark in the Include Inactive box.
- Find the specific account you like to restore and click the Make active option at the far right.