Areca Backup is a personal file backup software developed in Java. It is released under the General Public License (GPL) v2.

It is divided into:

A backup engine

A command-line interface

A graphical user interface

Backup Engine

The backup engine includes:

ZIP / ZIP64 compression

Triple DES & AES 128 encryption

Backup filters (by extension, subdirectory, regular expression, size, date, status, usage)

Incremental backup support

Archives merges

As of date recovery

Transaction mechanism

Unix file permissions backup / recovery

Email reports

Backup simulation

FTP and FTPS support (SSL / TLS in both implicit and explicit modes)