OneDrive is an online highly secure storage that comes with your Microsoft® account.
It’s like an extra hard drive that’s available from any of the devices you use. You no longer need to email files to yourself or carry around (and possibly lose) a USB flash drive.
Instead, from any device, access your data, make the change, email the link to your colleagues, let them collaborate & create efficiencies in your workplace. Or… you may just want to view photos from your last family vacation on your tablet, or access the shopping list from your mobile phone. You can have it all with OneDrive.