Few sharing and no collaboration features.Best online backup providers have a free service too, offering 2 GB to 15 GB if your data can be stored you can use this service freely. To store data your data online, you have to purchase a backup plan that will cost between $5 and $15 per month depending on how much storage you need for your data. An online backup process is similar to backing up to disk or tape, except the data goes over the network to the provider’s site and because it is stored on a server, your data can be accessed from anywhere in the world and you always have access to your data. When files are backed up locally, whether to a file server, external hard drive, or other devices, there is always the risk of both copies being lost. When you use online backup, your data is stored offsite. Best Cloud Storage Provider For uploading and Downloading Files (Paid & Free).Best Online Backup Service Providers in 2021.Best Online Backup and Cloud Storage Services in 2021.