Free backup software software for windows

FileFort File Backup Software 2.03 is designed as a great application which can help you to backup your critical data to virtually any type of storage media including CD, DVD, Blu-ray and remote FTP servers. Dont take chances with your business valuable data. FileFort lets you set and forget with its fully automated backup process, giving you peace of mind that your data is safe and secure.
In addition, FileFort allows complete control over your backups. You can set your files to automatically or manually backup to a specified location. You can also schedule regular back times by date or time.
Major Features:

Vembu StoreGrid - Trusted Intranet Peer To Peer Backup Solution For Networked Desktops and Laptops Vembu StoreGrid is an innovative, trusted intranet peer-to-peer backup software to backup desktop and laptop data with no additional storage hardware.
Vembu StoreGrid is a flexible feature packed data backup software that works with your existing hardware!StoreGrid can facilitate intranet, client-server & remote backups (supported in StoreGrids Professional and Service Provider editions).
StoreGrid leverages the free space in your existing network of desktops and copies one PCs important data redundantly into other PCs in the network forming a "Desktop Storage Grid".Vembu StoreGrid is an innovative, trusted intranet peer-to-peer backup software to backup desktop and laptop data with no additional storage hardware.
StoreGrid Benefits
- Reliable desktop backup and laptop backup software at an extremely affordable price
- No need to buy additional dedicated storage hardware.
- Continuous backup as users work. Near real time data protection.
- Built-in data redundancy with the "Desktop Grid".
- Least intrusive technology. Consumes minimal CPU and memory.
- Easy to use browser based graphical user interface.
Main features:
- Data Backup
- Automatically detects changes in files and/or directories and backs up accordingly
- Hot links provided for windows registry backup and windows system files backup, among others
- 1-Click selection for common backups: Email, Browser Settings, My Documents, etc - selectable with one click
- Versioning support for backing up multiple versions of the same file
- Supports Incremental backups : StoreGrids Intelli-Delta Technology backs up only changes in files and not the entire file every time. This saves bandwidth and time
- Supports automatic SQL, Exchange, System state / Active Directory backups
- Quick restore capability: end users can easily restore their data up to the file level
- Compression of backed up data saves disk space and network bandwidth
- Large files backup supported
- Support for Replication Server functionality
- Data Security
- Encryption support (up to 448 bit) provided to protect users personal data.
- Robust encryption based on the blowfish algorithm.
System requirements:
- 64 MB RAM, 1 GB Hard Disk

Backup Opera gives you the possibility to create a backup for the important files and folders for the OPERA browser. You can also define which files you want to backup.