SharePoint online allows you to create project sites or team sites and quickly share information with internal and external users online. There's only one document you need to deal with and it's always in the same place, as well as being up-to-date. Instead of lots of people creating multiple versions in different places, you can get everyone to work on the same document at the same time. SharePoint Online will even keep track of everyone's changes in one location. You don't need to be at your desk in order to work together. You can keep reviewing and tweaking your content while on the go, offline; all from virtually any device.
Make sure work gets done by assigning people tasks that can be tracked and prioritized. This allows you to keep an eye on important details with a real-time summary of your project and helps keep you and your team on task to accomplish goals on time. Learn more about SharePoint Online by going to Discover SharePoint.