You can adjust your employees' salaries directly within their profiles in QuickBooks Online (QBO) Payroll, ichristopher64.
Please note that any changes to an employee's pay information must be made three business days before the paycheck date, no later than 8 PM ET.
Follow these steps to update an employee's salary:
- Go to the Payroll menu.
- Select the Employees tab.
- Click on the name of the specific employee whose salary you want to adjust.

- Scroll down to the Base pay section and click the Edit icon.

- From there, make desired changes to their salary.

- Once done, click Save.
You can also refer to this article for more details on how to manage your Auto Payroll in QuickBooks: Set up and manage your Auto Payroll.
If you have additional questions, add a comment below.