A 40(k) contribution to an employer's plan would have been entered on the W-2 in box 12 with a code of D. The contribution is not entered anywhere else on the tax return.
A withdrawal from a 401(k) is reported on a Form 1099-R which would have sent by the plan administrator in January.
The Free edition supports entry of a 401(k) withdrawal on a Form 1099-R if there are no penalties associated with the withdrawal.
