You can have up to 5, 10 or 30 FTP users (including your primary FTP user) on Basic, Max, and Ultimate hosting plans respectively.
Here's how to set up an additional FTP user:
- Log in to Control Panel and go to the Site Info Manager/FTP Users section
- Click Add
- Create a new user by entering the required information in the blank fields
- Use the Directory Path field to restrict a FTP user to one specific subdirectory
- Use the Permissions dropdown to determine what kind of file permissions this FTP user will have
- Click Create to finish