Hi there, @ah65.
Thank you for reaching out to the Community. The ability to enter historical payroll information is only available in the current calendar year and no paychecks created.
I suggest reaching out to our Customer support team. This way, we'll able to pull up your account in a secure environment and to check it.
Before doing so, please check out our support hours to ensure that we address your concerns on time. Here's how to connect with us:
- Sign in to your QuickBooks Online company.
- Go to Help (?).
- Select Contact Us.
- Enter your concern, then select Let's talk.
- Choose a way to connect with us. Message an agent or Get a callback.
I encourage you to visit this article to learn more about the new changes to the Federal W-4 and how to enter it: What’s changing with the Federal W-4?
To know more about how W-4 withholding allowances works in QuickBooks Online, you can visit this article: W-4: Employee withholding allowances.
I'll always have your back if you need further assistance in managing your payrolls. I'm just one post away. Have a great day!