You may receive more than one Form W-2 Wage and Tax Statement if you changed jobs or worked for more than one employer during a tax year.
You can add additional W-2s from the screen titled Review wages, salaries, and tips in the TaxAct program.
On the screen titled 2020 W-2 forms, enter the information from your first W-2, then click add. This screen will appear after each W-2 is entered. When you're finished entering W-2s, click Continue.
See Form W-2 - Entering to enter the first W-2, then see Form W-2 - Adding, Reviewing, or Deleting to enter additional W-2s.
Note that any link in the information above is updated each year automatically and will take you to the most recent version of the document at the time it is accessed.