Step 1:  Touch the Settings icon in the app.

Step 2:  Touch the “Manage Storages” option.

Step 3:  Touch the “Dropbox” option.

Step 4:  Enter your Dropbox email login and password and click the “Sign in” button.

Step 5:  Click the “Allow” button to allow AXEL to connect to your Dropbox account.

You will now see your Dropbox account in the list of AXEL storages. You can now access and transfer files between your Dropbox and AXEL accounts.