Hello @bryan m​ , Yeas you can.

1. Go to -> Edit:

2. Select the required field and click on the eye icon:

I hope this will be helpful.

@roy s11​ Thank you for getting to me so quickly. The Inbox App I am referring to is this one:

Can you change the fields under Account Details?

Hey @bryan m​, it's not possible to change the fields that appear in the Salesforce Inbox app. That'd be a feature request for our @Product Wishlist​ group, so I've tagged the group in my reply to record it.