Hi, I am trying to claim the home office credit for 2020 as part of my tax return. However, I am having trouble finding the corresponding category, guessing it's emp inc?

You would enter those expenses into the Employment Expense section. To get to the Employment Expenses section in TurboTax Online:

1. Select Find in the upper-right area. (The Find button becomes visible after you have completed the Introduction/Profile section.)
2. In the Find window, type “employment.”
3. Select Employment Expenses from the list of results, then select Go.