What is OneDrive?
OneDrive is your personal cloud storage in Microsoft 365. It's like a hard drive that lives in the cloud -- you can save files from any device, and they're available everywhere you sign in. Think of it as your own file cabinet that follows you between your phone, your computer, and any web browser.
OneDrive vs SharePoint
OneDrive is for your personal files -- documents, photos, and anything you upload yourself. SharePoint is for team files that belong to a group or the whole company. When someone shares a file or folder with you through Teams or Outlook, that file usually lives in SharePoint. Your own uploads go to OneDrive.
Storage Limits
1 TB is enough for hundreds of thousands of photos and documents. You're unlikely to run out unless you're storing large video files.
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