After you file

Another possibility:

 

 

You can get a free transcript from the IRS as far back as 10 years.

https://www.irs.gov/individuals/get-transcript

 

Or you can pay the IRS $43 for an actual copy of your tax return which will include copies of your W-2’s     

https://www.irs.gov/pub/irs-pdf/f4506.pdf 

**Disclaimer: Every effort has been made to offer the most correct information possible. The poster disclaims any legal responsibility for the accuracy of the information that is contained in this post.**