In order to move your files from your Mac to your OneDrive for Business account, you will first need be sure OneDrive for Business is set to sync your files from your Mac to your OneDrive for Business account. |
Type cmd-v (hold down the command key and then type 'v') to paste the contents of your Dropbox folder into your OneDrive for Business folder. Your items will start to sync with your OneDrive for Business as soon as the paste is complete.