It is very necessary to have backup of necessary backup of data to protect it against any emergency so a data may not be lost out due to some eventuality or accident. With the discovery of broadband and internet it has provided with facility to store backup files online.  Here most popular systems for backing files online are provided that are described below:

CrashPlan: It has a very interesting method to provide backup for data with   its application software. One can download that software and can further use it to have backup on office computer as well as home network. You can even transport that data to a friend’s computer if he is using CrashPlan. It is an extremely user friendly software and provides backup for web applications, instantly.

Mozy:  It is an automated backup solution and is merely needed to install it on   computer. It can backup files with the mentioned frequency by you. It can even back up files simultaneously while the files are open and are under process. This way it saves valuable data from unnecessarily being wearied away. It also saves changes made over a file.

Dropbox: As soon as after installing Dropbox, you would come across a folder, rightly called “My Dropbox”, at the Documents area of your desktop. And every file put in that folder would be synced with Dropbox account. It let with features to sync files, share files and keep the former version of file well protected. It keeps on changing log after every 30 days. You can access to your documents even from Dropbox website.

Jungle Disk: This monthly fee based system takes a very different approach to backup files at several levels. It can also be used as networked disk drive apart from remote backup location. For a smaller volume of data one needs to pay lesser amount in fee.

Carbonite: At this application too you can access files from a web-based interface when you are not at home and you can use Carbonite application to store all your files at any time. It does not provide for a hard copy of data on request as one needs to wait for heavy downloading time.