Can I utilize preprinted 2023 W2/W3 forms with Quickbooks online? I switched to Quickbooks online mid-2023 and am not use to this system.

Thanks for dropping your concern here in the Community. Let me help you on how to change the setting for pre-printed forms inside QuickBooks Online (QBO).

To modify the setting for pre-printed forms when printing W-2s in QuickBooks Online, follow these steps:

1. In the Gear icon, click Payroll Settings.
2. Select the Form printing under preferences and decide how to print the forms.
3. Once done, hit OK.

On the other hand, I recommend scanning this article as your guidance to handle print issues for paychecks in the future inside QBO: Fix print alignment for paychecks. 

You can still reply to this post for more questions and clarifications with pre-printed W2/W3 forms inside QBO. I'm more than happy to assist you. Take care!