By Kelsey twitter/ Last Updated September 28, 2021

Why Do You Need Cloud Backup?

  • Are you afraid of accidentally losing the data stored on your hard drive?
  • Are you anxious that there is not enough space locally for backup?
  • Are you panicked that you have lost all local backups due to local accidents?
  • Backup all your data to the cloud offsite, never lose data and recover them from any PC.

Eliminate all your concerns with the Best Cloud Backup service - CBackup

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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.

Can I backup C drive to OneDrive?

“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 restore 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 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 for 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.

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 10, 8, 7 so that you can recover your system operation and related files when you encounter terrible situations like virus attacks, system crash, 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.

For example, cloud storage will automatically backup your files without the disadvantage of always plugging in an external hard drive. Besides that, 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 larger capacity.

How to backup C drive files to OneDrive in Windows?

There are three methods for backing up files 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.

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 third-party tool

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

1. Download CBackup, install and launch it.

2. Create a CBackup account and sign in.

CBackup Sign Up

3. Click the "My Storage" tab, and then click "Add Cloud" to add your OneDrive account.

Add Cloud

4. After logging in, click on the "Backup Tasks" and click on the "New Task" button.

Create Task

5. Click on "Add Source" to select the C drive files that you want to backup to OneDrive. And choose OneDrive as the backup destination. After selecting, click "Start Backup".

Backup C Drive to OneDrive

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

Bonus tip about protecting your C drive files

The C drive files stored in OneDrive may be really important for you. However, according to the feedbacks 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 cloud is the cloud server provided by CBackup. Besides backing up files to third-party 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. are supported. With just a few steps, it can help you backup files between cloud storage quickly and easily.

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

1. Download CBackup and run it. sign in to CBackup account.

2. After logging in, click on the "Backup Tasks" and click on the "New Task" button.

Create Task

3. Click on "Add Source" to select the PC files that you want to backup to CBackup Cloud. Select CBackup Cloud as the backup destination. After selecting, click "Start Backup".

Start Backup

To backup files between cloud storge with CBackup, please refer to the steps below:

1. Sign in to your CBackup account.

Sign Up

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

Add OneDrive

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

Create Task

4. Name your backup task, click “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 execute the backup task.

OneDrive to Google Drive

Note: There are some settings you could configure in the Settings for the cloud to cloud backup task before clicking Start Backup:

  • Schedule Backup: You could enable schedule backup for one-time backup, or backup files daily, weekly or monthly, save 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 likes, 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 under 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.

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