How to Backup Entire C Drive Folder to OneDrive on Windows PC

It is a good idea to backup C drive to OneDrive. If you don’t know how to achieve it, please read this article to learn how to backup C Drive to OneDrive with detailed steps.


by Jonna Lasted Updated February 1, 2023

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What is the C drive on my computer?

Drive C (C:) is the main hard disk partition that is used for storing the operating system, system files, and other applications and their related files. In later versions of Windows, the C: drive is marked as "Master Drive" or "Local Disk" and can be accessed by opening the "My Computer" folder by default. Read the article patiently to understand the easy way to backup C drive to OneDrive.

Can you backup C drive to OneDrive?


How to make OneDrive backup folder on C drive?

I am going to backup my C drive so that I can recover my Windows 10 operation system directly instead of reinstalling Windows 10 on my computer, or restoring the OS on a new computer when the old one dies. I think OneDrive is a good backup destination for C drive, can I backup C drive folder to OneDrive? Can you give me some suggestions? Thanks!


OneDrive is a cloud storage service provided by Microsoft. It is specifically for storing documents and files that are important to you. However, computer settings and applications cannot be saved, meaning that OneDrive cannot backup Windows 10 system to OneDrive directly. But don’t be upset, you can learn how to backup your C drive files to OneDrive to protect the files that are crucial for your computer in the following contents.

Backup C Drive to OneDrive

Why backup C Drive files to OneDrive?

Since C drive contains the system operation and system-related files, it is important to backup C drive in Windows 11,10, 8, and 7 so that you can recover your system operation and related files when you encounter terrible situations like virus attacks, system crashes, disk bad sector problem, natural disasters and so on.

In the past, most users prefer to backup C drive to external hard drive just in case. But nowadays, users are suggested to backup C drive to cloud storage like OneDrive because backing up C Drive to the cloud storage has many advantages.

Cloud vs. External Hard Drive

  • Cloud storage will automatically backup your files without the disadvantage of always plugging in an external hard drive. 

  • Cloud storage is regarded as safer than external hard drives. The data stored in cloud storage is far away from your local hardware so you don’t need to worry about the problem of hardware failure.

  • And data stored in cloud storage can be accessed easily. If there is anything wrong with your system or important system files, you can restore your C Drive files from OneDrive anytime, anywhere. 

  • What’s more, compared with the external hard drive, the price of cloud storage is more affordable. And OneDrive can offer enough backup space for your C drive as long as you upgrade your account for a larger capacity.

How to backup C drive files to OneDrive in Windows

There are three methods for backing up entire C drive to OneDrive, you can choose one way to follow. But you should make sure that the storage space of OneDrive is enough to contain all the files that you want to back up. If 5GB of storage isn't enough, you can grab an Office 365 bundle that comes with 1TB of OneDrive storage or grab 100GB for about $2 per month directly. You can also get more OneDrive storage and backup your entire C drive directly through the last way for free.

Method 1. Backup C drive files to OneDrive with desktop app

The Folder Protection feature of OneDrive allows you to verify the local folders that you want to backup to OneDrive automatically. You can set to backup your C drive folder to OneDrive cloud with the steps below:

1. Open the OneDrive app on your Windows PC. Right-click inside the OneDrive folder that opens, and left-click on "Settings".

2. Go to the "Backup" tab and Choose "Manage Backup".

Manage Backup

3. In the Back up your folders dialog box, you can choose to backup the "Desktop, Pictures, Documents, and User folder, and then click "Start Backup" to backup files to OneDrive.

Folder Backup

Method 2. Backup C drive files to OneDrive via File Explorer

As you know, after installing, OneDrive will create a desktop folder on your computer and you can drag and drop files to this folder directly to let OneDrive automatically sync these files to the cloud. Therefore, you can copy and paste your C drive files to this OneDrive folder to backup your files to OneDrive.

1. Type "OneDrive" in the search bar and open your OneDrive folder in File Explorer.

OneDrive in File Explorer

2. Copy your C drive files and go to the OneDrive folder to paste them. Then, OneDrive desktop app will sync C drive to OneDrive automatically.

Method 3. Backup C drive files to OneDrive via free cloud backup tool

Some cloud backup tools can help you backup C drive files to OneDrive directly and automatically. Here, we will take a free cloud backup service - CBackup as an example to show you how to backup C drive to OneDrive with ease.

1. Download CBackup, install and launch it. Create a CBackup account and sign in.

Download CBackupWin 11/10/8.1/8/7/XP
Secure Download

2. Click the "Storage" tab, and then choose OneDrive, click "Authorize Now" to add your OneDrive account.

Add OneDrive

3. After logging in, click on the "Backup" and click on the Backup PC to Public Cloud button to create your OneDrive auto backup task.

Create Task

4. Select the C drive files that you want to backup to OneDrive. And choose OneDrive as the backup destination.

5. After selecting, click "Start Backup" to backup C drive to OneDrive easily.

Backup C Drive to OneDrive

Besides, CBackup could help you backup hard drive to OneDrive or backup the entire computer to OneDrive to protect your important files safely. How do you backup entire computer to OneDrive easily? just select the entire computer files as the source in the above step 5, and other settings are the same.

✿ Two tips for OneDrive running out of storage

If your OneDrive account doesn't have enough space to store all of C drive's data, you can use CBackup Cloud as your backup destination, which offers 10GB cloud storage, and there is a chance that you will get a gift of 1TB or 5TB of CBackup Cloud storage. 

Start Backup

If you are still more inclined to use cloud storage services to store C drive files, you can add multiple cloud drive accounts to CBackup and combine the space of these accounts to back up data. If you have enough accounts, you can even combine unlimited OneDrive storage for free.

Tick All Onedrive Accounts

Workaround to protecting your C drive files

The C drive files stored in OneDrive may be really important for you. However, according to the feedback of OneDrive users, they find that OneDrive is not working sometimes, and the files in C drive are still at risk of loss due to technical problems. Therefore, you are suggested to backup C drive files to a more secure and stable and secure cloud server - CBackup Cloud to protect your C drive files.

CBackup Main Page

CBackup cloud is the cloud server provided by CBackup. Besides backing up files to clouds like OneDrive, CBackup also allows you to backup Windows PC files to its own CBackup Cloud directly with huge backup space. So, if you worry about the security of OneDrive, you can use CBackup to protect as many C drive files as you have. 

Furthermore, CBackup also offers cloud-to-cloud backup and cloud-to-cloud sync features and many useful backup settings. Many cloud storage like Dropbox, OneDrive, Google Drive, etc. is supported. With just a few steps, it can help you backup files between cloud storage quickly and easily. 

Backup C dive to CBackup Cloud

To backup C drive files to CBackup Cloud with CBackup, please refer to the steps below:

1. Sign in to CBackup account. After logging in, click on the "Backup" tab and click on the "Backup PC to CBackup Cloud" button.

Select Pc To Cbackup Cloud

2. Select the C drive files that you want to backup to CBackup Cloud. After selecting, click "Start Backup".

Backup App Data Start Backup

Sync Files Between Clouds

To sync data between clouds with CBackup, please refer to the steps below:

1. Sign in to your CBackup account on CBackup website.

2. Click “+” next to My Storage under the “My Storage” tab, select your clouds, and click “Add”. Then sign in to your account and authorize CBackup to access and manage your files on the cloud.

Add OneDrive

3. To sync files between cloud storage, click on the “Sync Tasks” tab on the left, then, click the “New Task” button. 

Create Task

4. Name your backup task, click the “Add Source” button to add one cloud storage as the backup source, and click “Add Destination” to another cloud storage. Click “Start Backup” in the lower right corner to move files between clouds.

Sync OneDrive to Google Drive

★Tips: There are some settings you could configure in the Settings for the cloud to cloud backup task before clicking Start Backup:
Scheduler: You could enable schedule backup for one-time backup, or backup files daily, weekly or monthly, saving your time and repeated operation.
Email Notification: Once you set up, the backup task finished successes or fails, you will get an email alert for the backup result.
File Filter: With it, you could exclude the file types you don't want to backup, include the file types you like, or backup all file types.


You can follow the methods above to backup C drive to OneDrive with ease. Don’t forget to backup your files in OneDrive with the help of CBackup. Besides cloud to cloud backup, it also allows you to add multiple accounts and merge OneDrive accounts to combine a huge backup space for your files.

Jonna · Editor
Jonna becomes a professional in the areas of cloud backup and restoration, data protection, etc. after years of learning and researching. She maintains a keen eye for the latest technology trends, ensuring that the information provided is always in step with industry developments.

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