What is OneDrive?
OneDrive is a storage location in the cloud (Hosted by Microsoft) where you can store your documents, and files.
What is the purpose of Onedrive?
The benefit of using OneDrive, is that you create, edit, and share your documents from one central location. You can start a Word document on your handheld device, and save the file to OneDrive. You can then switch to your computer, open the same file, edit it, and save to OneDrive. Go into a computer lab, open the same file, edit, save, share.
How do I learn to use Onedrive?
Follow this link for a OneDrive How-to
How do I share a OneDrive folder or file with multiple people?
Follow this link for OneDrive Sharing