You may be able to distinguish these amounts by looking at your paycheck stub. There is usually a break-out there.
Box 1 "Wages, tips, other compensation": This is federal, taxable income for payments in the calendar year. The amount is calculated as YTD earnings minus pretax retirement and pre-tax benefit deductions plus taxable benefits (i.e., certain educational benefits).
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...and define "really high". $$ vs ~$$ expected
What is the total of all the box 1's, for each different employer you had vs. the total compensation you claim to see displayed? i.e. if you edit each W-2, are you sure the actual boxes 1-thru-6 in the software are exactly as displayed on any W-2 you've entered? And make sure you've only entered one W-2 for each different employer.
Certainly the total compensation on line 1 of the form 1040 can be higher than just the box1's of any W-2 forms you've entered...especially if you've received tips, you've received scholarship $$, or worked as Household Employee, or have also had some $$ in box 10 of a W-2, or received a 1099-R with a code 3 in box 7....and some other instances. But if no other unusual income, then an unusually high number usually indi9cate a mistaken entry on the W-2 form(s)