1. Yes, you can use ezW2Correction to file your W2C and W3C forms. We offer the free DEMO version. Please feel free to test drive with no obligation.

2. ezW2Correction also offer the data import feature, please refer to the guide about the data import feature.

ezW2Correction Download Link
http://www.halfpricesoft...ftware_free_download.asp 

ezW2Correction Guide: How to file W2C and W3C forms
http://www.halfpricesoft...ftware/w2c_w3c_guide.asp 

How to import data into ezW2Correction
https://www.halfpricesof..._software/import_w2c.asp 


ezW2Correction Purchase link
http://www.halfpricesoft...2c_software.asp#purchase 

Thank you.

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-I have already filed W2 using another application. Whether I can still use your application for filing W2 C for corrections?