Yes, you can.
In online editions of TurboTax
1. In the upper-right corner of your screen, select
Find*.
2. In the Find window, type in “T4” and select “T4
Employment Income”. Click the “Go” button.
3. Click “Enter new T4”.
In CD/download editions of TurboTax
1. On the upper-right corner of your screen, select
Find*.
In the Find window, type in “T4” and select “T4 Employment
Income”. Click the “Go” button.
3. On the Entering your federal T-slips step, make sure T4
is checked off and select Continue.
4. Here you’ll either see the T4 entry screen, or if you
already have a T4 entered, the T4 summary page. Click on “Enter new T4” if you
are on the Summary page.
* If you can't use/see the Find button, you may not have
completed the Setting Up/Introduction section of your return. Continue through
the Setting Up section until the Find button appears/unlocks.