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undbx

Tool to extract, recover and undelete e-mail messages from .dbx files

digital-forensicsBlue Team
Official docs ↗Download ↗Source repo ↗

Platforms: Linux · Last verified September 6, 2026

UnDBX is a tool to extract, recover and undelete e-mail messages from MS Outlook Express .dbx files (or similar e-mail programs in MS Windows). Corrupted .dbx files can be parsed to try to recover messages from it. It can also try to undelete messages, not only from Deleted Items but also from fragments of deleted messages that were not overwritten.

Only use this tool against systems you own or are explicitly authorized to test — see the disclaimer.

Getting started

See the official Kali tool page and upstream homepage linked above for installation and usage details.

Commonly preinstalled on

Kali Linux

Debian-based distribution built for penetration testing and security auditing