Difference between OneDrive and Backblaze B2

Microsoft OneDrive is a file hosting and syncing service provided by Microsoft as part of its web-based Office application launched in August 2007. OneDrive users can store files and personal data in the cloud, like Windows settings or BitLocker recovery keys, share files, and sync files across Android, Windows Phone, iOS devices, Windows and MacOS PCs, etc. Xbox consoles with OneDrive.

Microsoft Office documents can be uploaded to OneDrive by users.
OneDrive is integrated into all Windows desktops above version Windows 8.1 and Microsoft office 2010 and later.
It offers users 5GB of free storage and can be expanded up to 6 TB for personal use and up to 25 TB using OneDrive business with a maximum file size of 250 GB that can be uploaded.
The majority of OneDrive customers have access as part of a Microsoft 365 subscription, which includes Microsoft Office and 1 TB of OneDrive storage.
OneDrive supports almost all file names and file formats. They also provide users with a personal vault feature that requires another form of identification and automatically locks after a certain amount of time.
Data is protected in transit using SSL for users of the normal OneDrive service, but it is unencrypted at rest. OneDrive for Business, on the other hand, includes per-file encryption, which encrypts files individually with their key. In addition, OneDrive allows you to sync files created and stored on your PC with the cloud.
Data stored in OneDrive is secured with two-factor authentication and at-rest and in-transit encryption as standard for all users and file types. However, OneDrive does not offer zero-knowledge encryption, even with the OneDrive personal vault meaning that the encryption key remains with Microsoft.
You can link OneDrive to various additional devices, including computers, phones, and tablets, to keep your files in sync and accessible from anywhere.

Some of the benefits of OneDrive include unlimited file access, rendering files available from anywhere for collaboration, securely storing files and information and many more. However, some of its disadvantages are user errors, privacy concerns and document management.

Backblaze B2

Backblaze is a company that provides cloud storage and data backup services. It was founded in 2007 by Gleb Budman, Billy Ng, Nilay Patel, Brian Wilson, Tim Nufire, Damon Uyeda, and Jones.

The firm's two primary products are B2 Cloud Storage and Computer Backup, which are aimed at the commercial and consumer sectors. In addition, Backblaze launched a new project, Backblaze B2 cloud storage, in September 2015. It is focused on software integration for many types of enterprises. Backblaze has four data centers, three situated in the United States and one in the European Union.

The files are encrypted on the user's PC, then transferred to Backblaze via an encrypted SSL connection, and stored in the encrypted format. Encryption had to be an option for B2. Some scenarios would require encryption, while others would not.
Backblaze B2 saves the information you access. For example, you can upload just encrypted data and use a third-party integration to encrypt data before sending it to Backblaze B2 or keeping data without encryption.
In addition, data in Backblaze B2 can be protected from ransomware by employing object locks and third-party integrations, which make the data non-erasable and nonmodifiable for a user-defined period.

Backblaze B2 provides users with 10 GB of free storage and unlimited storage for paid customers with no maximum file size.