I didn't efile last year, I mailed the 2015 tax return. How do I efile this year?

[bluedeb · Accepted solution]

You can e-file, you will need your 2015 AGI from your 2015 return.

You can find your AGI on:

Form 1040 – Line 37
Form 1040A – Line 21
Form 1040EZ – Line 4
Form 1040NR – Line 36