You may contact the IRS to get a transcript for the W2 that is missing. Simply request it for the year 2017 and they will send you a copy of all W2's filed to them from your employers for the year. Please use the link below to do so:
Transcript Types
We offer the following transcript types at no charge to you:
- Wage and Income Transcript - shows data from information returns we receive such as Forms W-2, 1099, 1098 and Form 5498, IRA Contribution Information. Current tax year information may not be complete until July. This transcript is available for up to 10 prior years using Get Transcript Online or Form 4506-T.
If you're unable to register or you prefer not to use Get Transcript Online, you may order a tax return transcript and/or a tax account transcript using Get Transcript by Mail or call 800-908-9946. Please allow 5 to 10 calendar days for delivery.
https://www.irs.gov/individuals/get-transcript
