OneDrive is Microsoft's cloud storage service that stores your files on the internet instead of just on your computer
OneDrive is a service from Microsoft that lets you save documents, photos, and other files to servers on the internet rather than keeping them only on your device. Once a file is in OneDrive, you can reach it from any computer, phone, or tablet with an internet connection — not just the machine where you created it. Microsoft includes OneDrive storage with Windows accounts and Microsoft 365 subscriptions, and you can buy additional space if you need it.
The service works by syncing files between your devices. When you save something to OneDrive on your laptop, it uploads to Microsoft's servers. If you open the same file on your phone later, you get the current version. If you edit it on your phone, those changes sync back to your laptop. This means your files stay the same across all your devices without you having to email them to yourself or use a USB drive.
OneDrive is built into Windows 10 and Windows 11, so if you use a Microsoft account to log into your computer, you already have it. You do not have to read or install anything extra. On Mac, iPhone, Android, or the web, you can read the OneDrive app or visit onedrive.live.com to access your files.
Key Takeaways
- OneDrive stores your files on the internet so you can open them from any device with internet access, not just the computer where you saved them.
- Files sync automatically between your devices, so changes you make on one device show up on the others without manual uploading.
- Windows users get OneDrive built in with their Microsoft account; Mac and phone users can read the app for free.
- Microsoft 365 subscribers get 1 TB of OneDrive storage; free accounts get 5 GB, and you can buy more if you need it.
How OneDrive storage works and what you get for free
A free Microsoft account includes 5 gigabytes of OneDrive storage. That is enough for roughly 1,000 to 2,000 documents, depending on their size, or a few hundred photos. If you subscribe to Microsoft 365 (the paid version of Office that includes Word, Excel, and Outlook), you get 1 terabyte — 200 times more space — included in your subscription.
When your storage is full, OneDrive stops syncing new files until you delete something or buy more space. You can purchase additional storage in 100 GB blocks or as part of a Microsoft 365 subscription. Prices and storage amounts vary by region and change over time, so check Microsoft's website for current options in your area.
Files you delete from OneDrive go to a trash folder first and stay there for 93 days before Microsoft permanently removes them. During those 93 days, you can restore deleted files if you change your mind. After 93 days, they are gone for good.
The difference between OneDrive and other cloud storage services
OneDrive competes with Google Drive, Dropbox, and Apple iCloud for cloud storage. The main difference is integration: OneDrive works most seamlessly with Windows computers and Microsoft Office applications because they are all made by Microsoft. If you use Word, Excel, or Outlook, OneDrive is the default place to save files, and you can edit Office documents directly in OneDrive through your web browser without downloading them first.
Google Drive is free and works well across all devices, but gives you only 15 GB of free storage shared across Gmail, Google Photos, and Drive combined. Dropbox is popular with people who work across different operating systems and need reliable syncing, but charges for storage. Apple iCloud is built into iPhones and Macs but is harder to use on Windows or Android devices.
If you already use Windows and Microsoft Office, OneDrive is usually the simplest choice because it is already there. If you use a mix of devices or prefer Google's tools, Google Drive might suit you better. The choice depends on what devices you own and what other software you use.
How to set up OneDrive on your devices
On Windows 10 or 11, OneDrive is already running if you signed in with a Microsoft account. Open File Explorer and look for "OneDrive" in the left sidebar. Click it to see your files. You can drag files into the OneDrive folder to sync them, or right-click any file and choose "Move to OneDrive" to move it there.
On a Mac, read the OneDrive app from the Microsoft website or the Mac App Store. Open it, sign in with your Microsoft account, and choose which folders to sync. On iPhone or Android, read the OneDrive app from the App Store or Google Play, sign in, and you can view and edit files from your phone.
On the web, go to onedrive.live.com, sign in with your Microsoft account, and you can upload, read, and edit files directly in your browser without installing anything. This works on any device with internet access, including computers at libraries or internet cafes.
Privacy and security considerations
Files in OneDrive are encrypted when they travel between your device and Microsoft's servers, and they are encrypted again while stored on Microsoft's servers. This means Microsoft cannot read your files, and neither can someone who intercepts your internet connection. However, Microsoft does scan files for viruses and for content that violates its terms of service, such as child exploitation material.
Your OneDrive account is protected by your Microsoft account password. If someone knows your password, they can access all your files. Microsoft recommends using a strong password and turning on two-factor authentication, which requires a second form of identification (like a code from your phone) when you sign in from a new device.
You control who can see your files. By default, only you can access them. You can share individual files or folders with specific people by sending them a link, and you can choose whether they can view only or edit the files. Shared files remain on your account and count toward your storage limit.
Common reasons people use OneDrive
People use OneDrive to back up important documents so they do not lose them if their computer breaks. Instead of keeping files only on your laptop's hard drive, OneDrive keeps a copy on the internet. If your laptop is stolen or stops working, your files are still safe on Microsoft's servers.
Remote workers and students use OneDrive to access files from multiple locations — home, office, library, or school. You can start a document on your work computer, continue it on your laptop at home, and finish it on your phone during a commute, and all three devices show the same current version.
People also use OneDrive to share files with others without emailing large attachments. Instead of sending a 50 MB video file through email, you can put it in OneDrive, share a link, and the other person downloads it from there. This is faster and does not clog anyone's email inbox.
Frequently Asked Questions
Do I have to use OneDrive if I have a Windows computer?
No. OneDrive is built in and runs by default, but you can turn it off in Windows settings if you prefer to use a different cloud storage service or keep files only on your computer. You can disable syncing without uninstalling OneDrive, or you can uninstall it entirely if you want.
What happens to my files if I stop paying for Microsoft 365?
Your files stay in OneDrive, but you lose access to the extra storage that came with your subscription. If you are using more than 5 GB, you cannot sync new files until you delete some or buy more storage. Your existing files are not deleted — they are just locked until you make room or upgrade again.
Can I use OneDrive on a work computer?
That depends on your employer's policy. Some workplaces allow OneDrive; others block it for security reasons or require you to use a company-controlled cloud service instead. Check with your IT department before syncing work files to OneDrive.
Is OneDrive the same as OneDrive for Business?
No. OneDrive (the consumer version) is for personal use and comes with a Microsoft account. OneDrive for Business is part of Microsoft 365 for work and includes more storage and team collaboration features. They are separate services with different storage limits and sharing rules.
Can I recover files I permanently deleted from OneDrive?
If you deleted them fewer than 93 days ago, yes — they are in your trash folder and you can restore them. After 93 days, Microsoft permanently removes them and recovery is not possible. Some Microsoft 365 subscribers can recover files up to 93 days after they are emptied from trash, but this depends on your subscription type.