How to change date on reconciliation report

Welcome to the Community, @PPBrothers. I'm here to provide information about changing an incorrect date on a reconciliation report in QuickBooks Online (QBO).

If you've entered the wrong ending date when reconciling an account, changing them on the report when done reconciling isn't possible, you'll have to undo and redo the reconciliation process to correct the date.

To properly undo the reconciliation, you can manually edit each transaction instead of undoing it on your QBO account.

Here's how:

1. Go to the Gear icon and select Chart of Accounts under Your Company column.
2. Locate the appropriate account for the transaction and select View Register in the Action column.
3. Look for the transaction that you want to undo reconciliation.
4. In the check column, repeatedly click the box with the “R”  until the box is blank. This removes the transaction from the reconciliation. 
5. Click the Save button.

You can use this article for more detailed information: Undo or remove transactions from reconciliations in QuickBooks Online.

Also, if you've invited your accountant to your QuickBooks company, they have the option to undo the reconciliation period at once.

If you encounter any errors while reconciling your accounts, the following article will guide you in fixing them: Fix issues at the end of a reconciliation in QuickBooks Online.

Please feel free to click the Reply button if you need further assistance regarding reconciliation in QuickBooks Online. We'd be delighted to assist you again. Have a great day ahead!