Make sure drawers are clean and dust-free.
Cut small strips of contact paper to cover drawer edge.
Carefully stick one part on the drawer edge. As you pull the backing off you need to make sure you are using your fingers to push out any air bubbles.
You may need to cut small slits in the back of the paper to get contact paper to lay nicely.
Cut a piece of contact paper larger than the drawer front.
Starting on one side, stick the contact paper on the edge and cover the drawer. Push the contact paper on as you go from one side to the other.
Wrap edges around the back of the drawer edges.
Trim extra contact paper with exacto knife.
Repeat for the second drawer.
Remove drawers and take file cabinet box outside.
Prep areas you do not want painted by covering wiht painter's tape.
Lightly sand any rough spots.
Wipe surface with a deglosser. Make sure your file cabinet is clean and dust-free.
Use a spray paint with a primer built in and spray first coat of paint. Let fully dry.
Continue to paint 2 more coats with drying time in between. Let paint dry overnight.
Put your file cabinet back together.