How to Back Up Your Files in Windows 11

A computer can stop working, a file can be deleted by mistake, or a device can be lost or damaged. If your important documents and family photos exist in only one place, you could lose them when something goes wrong.

Learning how to back up files in Windows 11 can help protect the things you care about. Windows offers built-in options, including OneDrive and File History, and you can also copy files to an external drive. This guide explains the choices and shows you how to make a separate copy.

What you’ll need

• Your Windows 11 computer.
• An internet connection if you plan to use OneDrive.
• An external USB hard drive or flash drive if you want a local backup. For a large collection of photos and videos, an external hard drive or SSD is usually more suitable than a small flash drive.

Step 1: Choose where to keep your backup

A backup is an extra copy of your files that you can use if the originals are lost or damaged. It is safest not to keep the only backup on the same computer as the original files.

Here are two straightforward options:

• OneDrive: Microsoft’s online storage service. Your files are stored in your Microsoft account and can be accessed from other devices. The amount of storage available depends on your plan.
• External drive: A separate device that connects to your computer, usually through a USB port. You can copy files to it without uploading them to the internet.

You can use both options. A cloud copy is convenient if your computer is lost or damaged, while an external drive gives you a separate copy you can keep disconnected when you are not backing up.

Tip: For important files, consider keeping more than one backup. A copy on an external drive and another in a trusted cloud service gives you more protection than relying on just one place.

Step 2: Back up folders with OneDrive

Windows 11 can connect your Microsoft account to OneDrive and offer to back up common folders such as Desktop, Documents, Pictures, Music, and Videos. The exact folders available may depend on your OneDrive setup.

1. Select the OneDrive cloud icon in the notification area on the right side of the taskbar. You may need to select the small upward arrow to see hidden icons.
2. Select the Help & Settings gear icon, then choose Settings.
3. Open Sync and backup.
4. Select Manage backup.
5. Review the folders offered, such as Documents, Pictures, and Desktop.
6. Turn on backup for the folders you want to protect, then follow the prompts.

Good to know: OneDrive folder backup syncs changes. If you delete a file from a backed-up OneDrive folder, that deletion can sync to OneDrive too. OneDrive is useful, but it should not be your only protection against accidental deletion.

Step 3: Check that OneDrive is syncing

After enabling folder backup, make sure your files have finished uploading. A file that has not finished syncing may not yet be available in the cloud.

1. Select the OneDrive cloud icon in the taskbar notification area.
2. Check the status message for syncing activity or a message that everything is up to date.
3. If OneDrive reports a problem, follow the message to sign in again or resolve the issue.
4. To check your files online, open a browser and visit onedrive.com.
5. Sign in with the same Microsoft account and check that your important folders and files appear.

Step 4: Use File History with an external drive

File History is a Windows feature that can save copies of files in your libraries and selected folders to an external drive or network location. It can keep earlier versions, which may help if you change or delete a file by mistake.

1. Connect your external drive to the computer.
2. Open Start and type Control Panel.
3. Select Control Panel in the search results.
4. Choose System and Security.
5. Select File History.
6. If Windows detects your external drive, select Turn on.

If the drive is not listed, check that it is connected and appears in File Explorer. You may need to select Select drive in File History and choose the correct drive before turning the feature on.

File History’s Control Panel interface is still available in Windows 11, although Microsoft increasingly directs users to newer backup options as well. If you cannot find a setting, search for File History from the Start menu.

Step 5: Copy important files to an external drive

You can also make a straightforward copy of important folders yourself. This is useful even if you use OneDrive or File History.

1. Connect your external drive to the computer.
2. Open File Explorer from the taskbar or Start menu.
3. In the left-hand pane, choose Documents, Pictures, Desktop, or another folder you want to protect.
4. Select the files and folders you want to copy. To select several items, hold Ctrl while selecting them.
5. Right-click the selected items and choose Copy.
6. In File Explorer, open your external drive under This PC.
7. Right-click an empty area and choose Paste.
8. Wait for the copying process to finish.

Careful: Choose Copy, not Cut, when making a backup. Copying leaves the original files on your computer; cutting moves them and could leave you without the original if something goes wrong.

Step 6: Safely disconnect and check your backup

Do not unplug an external drive while files are still being copied. When the transfer has finished, check that the backup contains the files you expected.

1. Open the external drive in File Explorer.
2. Open a few copied documents and photos to confirm they work.
3. Close any files or folders you opened from the drive.
4. Select the Safely Remove Hardware and Eject Media icon in the notification area, if it appears.
5. Choose your external drive and wait for Windows to say it is safe to remove.
6. Disconnect the drive.

Keep the external drive somewhere safe, away from the computer. For important backups, reconnect it regularly to make an updated copy.

Troubleshooting: If your backup is not working

If you cannot complete a backup, these checks may help:

• Not enough OneDrive space: Check your available storage in OneDrive. You may need to remove files you no longer need or review your storage plan.
• External drive not showing: Unplug and reconnect it, try another USB port, and check whether it appears under This PC in File Explorer.
• File History cannot use the drive: Open Control Panel > System and Security > File History and use Select drive to choose a suitable connected drive.
• OneDrive is paused or not signed in: Select its cloud icon in the taskbar and follow the prompt to resume syncing or sign in.
• Backup takes a long time: Large collections can take time. Keep the computer connected and avoid disconnecting the drive or closing the backup process before it finishes.

If a drive contains files you need, do not format it just because Windows suggests doing so. Formatting erases its contents. Check the drive carefully or ask a trusted technician for help before taking that step.

Give your important files a second home

A backup does not have to be complicated. Start with your Documents and Pictures folders, choose OneDrive, an external drive, or both, and check that the copies are safe. Make a habit of updating your backup so it is ready when you need it.