The main purpose of cloud-based productivity tools is to enhance collaboration and streamline workflows among teams, regardless of their physical location. These tools, such as document editors, project management software, and communication platforms, allow users to work simultaneously on shared projects in real time. They offer features like version control, easy file sharing, and integration with other applications, which improve efficiency and productivity. By leveraging cloud technology, organizations can reduce infrastructure costs and enable remote access, fostering a more agile and responsive work environment.