What are you trying to do? 

You can enter expenses on a Schedule C for your self-employment expenses which were reported on your 1099Misc.

https://ttlc.intuit.com/questions/1901340-where-do-i-enter-schedule-c

https://ttlc.intuit.com/questions/3398950-what-self-employed-expenses-can-i-deduct

You cannot deduct job-related expenses for a W-2 job on a federal return. 

https://ttlc.intuit.com/questions/4482873-which-federal-tax-deductions-have-been-suspended-by-tax-re...

Job related expenses are no longer deductible for most people. You can enter business expenses related to 1099-MISC income, but as of the 2018, you cannot deduct expenses related to W-2 employment. 

Only the following workers can deduct job related expenses: 

• Armed Forces reservists
• Qualified performing artists
• Fee-basis state or local government officials.
• Disabled employees with impairment-related work expenses