I'm trying to e-file and its asking me what type of tax form I have, but it does not show what type of W2 I have. How can I solve this?

[AmyW]

A 1040 an official document that is used to file your tax return. If you filed last year and have a copy of your tax return, it will have the form number on top. You can find out more by clicking the link below. 

https://turbotax.intuit.com/tax-tools/tax-tips/IRS-Tax-Forms/What-Is-an-IRS-1040-Form-/INF14479.html 

A W-2 is the form that shows the total amount of taxes withheld for the entire year. You can find out more information about the W-2 in the link below.

https://turbotax.intuit.com/tax-tools/tax-tips/IRS-Tax-Forms/What-is-a-W-2-Form-/INF14812.html