By Kelsey twitter/ Last Updated January 14, 2022

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.

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Basic information of OneDrive

Nowadays, people are more and more prefer to store data remotely. Cloud storage like OneDrive is one of the most popular backup solutions. It allows you to backup multiple types of files including documents, photos, videos, and so on to its Microsoft Cloud. Meanwhile, it allows you to access and manage your files through different apps on different devices.

How much storage space do I have?

Generally, OneDrive offers 5GB of free storage space to each user as long as you sign up for a Microsoft account. And if you need more, you can buy 100GB of OneDrive storage space for $1.99 per month. Or, you can upgrade to a OneDrive premium account to enjoy huge OneDrive storage space and Microsoft 365 features.

For the OneDrive premium account, you can choose Microsoft 365 family or personal. With Microsoft 365 family, six people can enjoy storage space of 6TB total, 1TB per person, costing $9.99/month and $99.99/year. And with Microsoft 365 family personal, one person can enjoy 6TB totally for $6.99/month and $69.99/year.

How do I check my OneDrive storage space?

As we all know, the files you upload to the OneDrive cloud will take up the space of your OneDrive storage. If you already have a OneDrive account and want to check your OneDrive storage space, you can follow the instructions below:

On computer

You can go to the OneDrive website, sign in to your OneDrive account. There are many tabs on the left of the main interface, choose the Plans and upgrades.

Onedrive Plans And Upgrades

On phone

You can open your OneDrive app on the phone. Click the profile icon and you can check the storage usage of your account.

Onedrive Storage Mobile Phone

Can I get 100GB OneDrive storage space for free?

As mentioned above, if you need 100 of OneDrive storage space, you can buy it for $1.99 per month. However, some users may wonder if they can get 100GB OneDrive storage space for free and how to get 100GB OneDrive storage space for free.

Actually, to attract more users or other reasons, OneDrive indeed has come out with some promotions such as Bing Rewards, giving away storage space to users who may need it. But OneDrive offers these promotions only for individual regions or only for a period of time.

Although you can’t get 100GB OneDrive storage space for free, you can also try to get extra free storage space or expand OneDrive space with some effective ways. Please read on to learn the detailed information.

How to expand your OneDrive backup space for free

If you need more OneDrive backup space for your data but don’t want to pay for advanced storage plans, you can try some official methods to add bonus space to your OneDrive or try some tricks to expand your OneDrive space for free.

Way 1. Invite new users to OneDrive

To attract more new users, OneDrive will reward every user who successfully invites new users to join OneDrive with an extra 0.5GB. And new users who join OneDrive through your invitation will also get an extra 0.5GB. The more users you invite to OneDrive; the more extra storage space your will get. The upper limit is 10GB.

Step 1. Go to the OneDrive website, sign in to your OneDrive account.

Step 2. On the main page, click the Manage storage tab and you will see a Your additional storage section. Click the Earn more link.

Manage Storage

Step 3. After clicking the link, a new window will pop up, you can copy the link and send the link to your friends who have not registered a OneDrive account. Then, both you and your friend will receive an extra 0.5GB of storage space.

Invite Friends

Way 2. Combine multiple OneDrive free accounts

Another way to expand your OneDrive space is to combine multiple OneDrive free accounts. Since OneDrive offers 5GB of free storage space to each user, you can sign up for more than one OneDrive account for serval 5 GB of storage space. The more accounts you create; the more storage space you will have.

However, although you can enjoy huge backup space by using multiple accounts, it is hard to manage files on different accounts and you have to switch accounts frequently. Therefore, you should rely on some third-party tool that can help you combine cloud storage of multiple accounts into one.

CBackup is such a useful and reliable tool that it allows you to add multiple OneDrive accounts on its app and offers a setting to combine these accounts into one. Then, you will get a combined cloud and you can backup all your data to this combined cloud easily.

You can follow the steps to merge OneDrive account with CBackup.

Step 1. Download and install the CBackup app on your Windows PCs. It supports Windows 11/10/8.1/8/7/XP.

Step 2. Run the CBackup app, create a CBackup account and then sign in to your new account.

CBackup Sign Up

Step 3. There are three tabs in the CBackup app, choose the My Storage and click the + Add Cloud button.

Add Cloud

Step 4. Choose the cloud storage (Google Drive, Dropbox, or OneDrive) that you want to add to CBackup and click Add.

Select Onedrive

Step 5. All the cloud storage accounts you added will be listed under the My Storage tab. Next, click the “+” button and choose New Combine Cloud.

Add Combined Cloud1

Step 6. A new window will pop up and you can tick the box next to the cloud storage account that you want to combine here. After checking, click on "Next".

Add Combined Cloud2

Step 7. After that, you’ll have a Combined Cloud under the My Storage tab.

Combined Cloud

Step 8. Like single cloud storage, you can also choose this combined cloud as your backup destination when you create a backup task.


According to the contents above, you must know that getting OneDrive 100GB of free storage at once is impossible. If you want more space without pay any fee, you can try the OneDrive official method or take advantage of CBackup.

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