Thank you for reaching the Community, EileenLight.
Making some adjustments and clearing those unreconciled transaction can affect your closed books. If you start reconciling previous years transactions, the entire current reconciliation statement will be inaccurate.
Before you begin the process of reconciling past transactions, I recommend consulting with your accountant. They can provide suggestions on how to properly handle those entries. You may also need to determine whether or not these transactions are valid. It is best to cross-reference these transactions with previous bank statements.
I've included the following articles for your reference:
I'll be here if you still need more help with this. Have a great day!
