How to delete a folder in Dropbox temporarily or permanently using a mobile device or computer

You can delete a folder in Dropbox on a computer or mobile device, but you can only permanently delete a folder while signed in on a computer.

How to delete files from Dropbox to save space in 3 ways, and recover them later

If you delete files from Dropbox and later change your mind, you have up to 30 days to restore and recover them.