The Community has you covered, @ni4.
I have just the steps you'll need to input those opening balances. To clarify, are these balances for accounts you'll be creating new in your company, or for existing accounts? I'll outline the steps needed for both scenarios below:
Input opening balance for a New Account
This information and more is also available from our guide on recording opening balances. I've attached a short video demonstration of this below:
The value entered in the Amount box is created as a journal entry which offsets against Opening Balance Equity. If you didn't enter a value here when creating the account, you can create this entry manually with the following instructions:
Input opening balance for an Existing Account
The clip here will provide a visual example of this process:
These instructions will help you input opening balances for whichever accounts you need. Please don't hesitate to keep in touch with me here for all of your QuickBooks needs. Thanks for dropping in and have a great rest of your day.