A file backup tool written in java that supports data compression & encryption and incremental backup
Areca Backup is a file backup tool written in java. It supports data compression & encryption, incremental backup, file history explorer and many other features.

Areca Backup also includes a transaction mechanism which guarantees your backups' integrity. As an additional security mesure areca also features a backup simulation module.

Here are some key features of "Areca Backup":
Backup Engine Features:
• Archives compression (Zip & Zip64 format)
• Archives encryption (Triple DES & AES encryption algorithm)
• Storage on local hard drive, network drive, USB key, FTP / FTPs server (with implicit and explicit SSL / TLS)
• Source file filters (by extension, subdirectory, regular expression, size, date, status, usage)
• Incremental / Full backup support
• Archives merges / deletion : You can merge contiguous archives in one single archive or safely delete your latest archives.
• As of date recovery : Areca allows you to recover your archives (or single files) as of a specific date.
• Transaction mechanism : All critical processes (such as backups or merges) support a transaction mechanism (with commit / rollback management) which guarantees your backups' integrity.
• Backup reports : Areca generates backup reports that can be stored on your disk or sent by email.
• Post backup scripts : Areca can launch shell scripts after backup.
• Files permissions and symbolic links backup. (Linux only) Areca

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