One Drive is personal cloud storage owned by Microsoft. It comes as essential part of Microsoft 365, with 1 TB of free spaces for paid users. It also has a 5GB of space available for free users. The users can easily store their documents, photos, videos, music on the drive and share it with other, via internet. You can also synchronize your PC data to backup to One drive, in order to have all of your data everywhere with you, for an easy access. It supports also all mobile devices.