Backup software for automatic and real-time mirroring of folders/drives from a local to another local/network/removable drives. In real-time mode, it performs RAID-1 type of mirroring on local/remote drive in software on per file basis and can mirror exclusively opened files. In auto-sync mode, synchronization is done at specified time/interval through a service program. It allows easy setup of mirror through property page of folders in Explorer.