Data loss is quite common whether you change your device less frequently than others or you have less risk of losing data through cyber attacks. You must keep your data backed up at all times to avoid the risk of losing it all in one go. This is why you need to get acquainted with the online backup services that are available so that you can rest assured about all your data being in one safe place and free from any potential risks. Apart from the physical devices that we used to store data like dongles, pen drives, etc. Moving on, now we have moved into much more advanced features that reduce the risk of losing these data storage devices by eliminating their existence. Yes, with the introduction of cloud backup services, data has been made to be secured in an online space, unlike the traditional storage devices. This just reduces the clutter of physical space and even removes the fear of losing them. Online backup services have gained more popularity in these coming times due to the safety they offer. Therefore, without any further delay let us take a look at some of the best online backup services. Also read: Backup PS4 Hard Drive: Complete Guide Best online cloud backup services of 2021 Without any delay, let us learn about the best unlimited online backup and cloud storage services that we can use to keep our data sound and safe. IDrive This is one of the best online backup services that provides you free storage services up to 5 GB. The online space limit on IDrive starts from 5GB and can go up to 1.5 TB which is quite a high number and is perfect for those who use it for professional purposes. This also comes with many amazing features like backing up your data to an unlimited number of devices with real-time syncing, granting access to older file restorations, activity reports, two-factor authentication, and end-to-end encryption. Another great feature of this best free cloud backup service is the ability to collaborate with others and share synced files with them easily and seamlessly. IDrive also takes care of your privacy and all your data is protected with 256-bit AES encryption. Microsoft OneDrive This is quite common among android users and if you have used Windows 10, then you must be aware of Microsoft 365 already. This is one of the best online backup services for Windows 10 users. It gives free storage up to 5GB and if you take Microsoft 365 subscription, then you will have storage for 1 TB and the option to pay more and get more space. This cloud storage can also work pretty well with macOS, iOS devices and other smartphones. With real-time syncing, it also offers 30-day file restorations, your vault to protect your photos, ransomware detection, multi-page scanning, automatic photo editing and saving and many other features to ease the burden. Read Android Developer Mode: 10 Things You Can Do Dropbox Another best cloud backup of 2021 is dropbox, which came around 2007, but lately has been used a lot by everyone for saving important files and folders. The main aim of this online backup service is to ensure an easy and quick file transfer along with different collaboration tools. Not only this, dropbox comes with many other features like editing, commenting, teaming folders, etc. It has a very intuitive interface and comes with real-time syncing across different devices, 256-bit encryption and two-factor authentication. It also has smart permission options, watermark options and a file history of 180 days. The free version of dropbox storage provides 2 GB of free storage, but for higher levels, you need to pay more. The rates of dropbox are comparatively higher than other cloud backup services. Apple iCloud This is the best free cloud backup service for apple users and provides free storage up to 5 GB to its users. As it is made for macOS and iOS, this cloud service integrates best with these operating systems leaving no room for glitches at all. Therefore, it is very easy to synchronize your data and find your files quickly and easily. This app also has two-factor authentication, neat and clear visualization and different sharing options. If you need more storage then you can also choose from 55 GB and 200 GB. Apart from this, the app is available for non-ios users. Related: Apple Helps Save Your Memories: 7 Tips For Using iCloud Photo Library Final words These are the top 4 online backup services, but you can also take a look at Google Drive which provides up to 15 GB of online storage. You can also increase the space up to 20TB, but at the same time, you have to pay for it.