Where can I backup my computer online for free?
I want to have an offsite backup of my computer and data. I figure that the cheapest (free!) and easiest way to do this is to backup my computer to the free unlimited storage. But how can I do this? 1) without relinquishing my privacy; 2) with versions/ incremental backups. Any ideas?
As the data age evolves, the advantages of online backup are coming to light. Online backup can protect your files, systems, data, etc. so that your important data will not get lost from local disasters, system crashes, virus attacks, etc.
In addition, online computer backup can make data recovery much easier. Once you lose your data in the local, you can find and recover it from the cloud service without effort.
What’s more, if you create online PC backup regularly, you can free up lots of local storage space.
So, is there a free way to backup your computer? Yes, please continue reading to get more information about these services for online PC backup.
Top 6 online computer backup services
6 best online computer backup services are listed in the following part. You can compare pros and cons among them. After that, select the most satisfying one for your computer.
1. CBackup
The first choice for computer cloud backup is a free online backup service - CBackup. This is a professional and stable service for PC cloud backup. With the help of it, you can create backups of computer, files, folder, programs, systems, hard drives, and so on to the cloud. Most of the mainstream cloud drives are supported to be the backup destination: Google Drive, Dropbox, OneDrive, and the CBackup Cloud it provides with 10GB free cloud storage space.
And there are some useful free features that can make your backups much easier: scheduler, email notification, file filter. With the help of scheduler, you can set up a PC auto backup easily. Once the backup task succeeds/fails, you will receive an email to note you the backup result.
CBackup uses 256-bit AES Encryption technique to ensure your data security while transferring. At the same time, adding cloud drives to CBackup is based on OAuth, which means it will never save cloud login information.

Main features
Backup PC to public cloud at high speed and without any file size limitation.
Combine cloud storage to get unlimited cloud storage space for computer data.
Cloud to cloud backup/sync to transfer/backup data between two cloud drive accounts.
Support the backup versions feature to protect any backup version of your data.
Pros
Fast backup speed
Easy and friendly-use operation steps
10GB free cloud storage
Support unlimited storage and file versioning
Cloud drive management
Cons
The supported cloud drives are limited currently
2. Backblaze
Backblaze is a well-known backup service provider. You can use it to backup your computer data, but not system files, program files, applications, empty files or temporary network files.
It uses AES encryption, private keys, and two-factor authentication to keep your computer data safe.

Main features
Keep old versions of files.
Support offline restore files.
Preview images in advance.
15 day free trial of personal cloud backup.
Pros
Affordable price for subscription plans
Support mobile backup method
No file size limitation in backup
Cons
No sync features
One account for only one device
Size limit in recovery to 500GB
3. pCloud
pCloud is a popular cloud storage space. It supports you to backup your files, photos, videos, etc. from your computer. Then, you can access them from different devices.
pCloud provides TLS/SSL encryption to make sure the data security. However, there is bandwidth limit with it.

Main features
Multiple file sharing options.
Backup photos from social media.
Available on desktop, website, or mobile phone.
Pros
Save versions of files for some specific period of time
Manage files on the web, desktop, and mobile
Cons
Apply bandwidth limits
4. Amazon Cloud Drive
Amazon Cloud Drive, as you can see from its name, is a cloud drive service provided by Amazon. You can back up your various documents, photos, music, etc. from your computer to its online cloud storage platform.

Main features
Share files by email, text message, and more.
Able to play videos and music stored on the cloud drive.
Create and edit text files.
Pros
Unlimited photo storage for Amazon Prime members
Preview feature
Cons
High price for subscription
Cloud storage space is small
5. Acronis
Acronis is a PC cloud backup service. You can use it on Mac, PC, virtual machines or mobile phone. By default, it backs up your entire disk. But you can also manually select specific content to be backed up.
It uses encryption and personal keys to protect your files, data, and more. But your subscription plan can only be used on one computer.

Main features
Schedule backup.
Support sync and share features.
Backup both external drive and network drive.
Pros
Stop cryptomining software and ransomware
Recover files to the original location
Support mobile backup and social media backup
Cons
Manually clean backup
No plan for unlimited storage
6. Box
Box is a cloud storage service for documents, photos, videos, and so on. It is available on computers and mobile phones. And you can access or share your files on the cloud fast. Besides, you can manage your cloud files on the desktop directly.

Main features
Share files and work with others.
Compatible with Microsoft Office 365 or Box Notes.
Any type of file is supported.
Pros
Support any OS platform from any device
Great online work features
Cons
Higher price than other cloud services
Easiest way to perform online computer backup
Now, we will show you the detailed steps to use the best cloud backup for PC. This method can be the easiest way for you to create online backup for your computer and it is for free.
1. Download and install the CBackup desktop app on your computer. Sign up for a new CBackup account and run the CBackup application to log into your new account.
2. Click on the My Storage tab. Take Google Drive as an example, in the pop-up window, please choose Google Drive and then click Authorize Now.

3. Go to the Backup section, click on Backup PC to Public Cloud.

4. If you want to create an auto backup task, press the Settings button to go to the Backup Settings page to enable the Scheduler feature. There are 4 different time modes for your computer backup tasks.

5. Choose your computer files or the entire computer as backup source, and choose the Google Drive account you just added to CBackup as backup destination. Finally, click Start Backup to backup your PC to Google Drive.

To sum up
Reading here, you can choose the most suitable online computer backup service for your computer data. If you want a free and easy PC backup service, you can try CBackup and enjoy the comprehensive cloud backup and sync features it provides.