Halfpricesoft.com developers of ezW2Correction Software offer an import feature in the advanced version for previous W2 and corrected data.  

The software will process unlimited W2 and W3 correction forms for unlimited companies in a single installation version.

As with all software from Halfpricesoft.com, ezW2Correction has a user-friendly design that allows customers to get started immediately after installation from  https://www.halfpricesoft.com/w2c_software.asp. 

The software’s point-and-click simplicity makes it ideal for small business owners who have better things to do than learn complicated software.