Is it functional?
First gather the papers from your desk and sort them. You do not need out of date coupons, information on activities that have passed, or most records that are over 3 to 7 years old. Memorabilia belongs in a memory box.
Empty your desk of papers and stock it with the supplies you need. Use a desk organizer for small items.
Which of these items do you have? Which do you need? Do you have more than you need?
List the items you do not have but need.
Donate the items you have in excess.
Toss the items that do not work—staplers that do not staple, pens that do not write.
Add items to the list specific to your needs. Make notes on what you need, how many you need, where you have an excess