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libpff is a library to access the Personal Folder File (PFF) and the Offline Folder File (OFF) format.

These format are used by Microsoft Outlook to store email, contacts and other data.

Project information:

* Status: alpha
* Licence: LGPLv3+

PFF/OFF is used in several file types:

* PAB (Personal Address Book)
* PST (Personal Storage Table)
* OST (Offline Storage Table)

Supported formats:

* 32-bit ANSI (string)
* 64-bit Unicode (string)
* 64-bit with 4k pages with DEFLATE compression (Compressed OST files) (as of version 20130722)

Additional features:

* item recovery
* handles corrupted encrypted PFF with encryption type none

Also see:

* PFF forensics - analyzing the horrible reference file format: https://github.com/libyal/documentation/blob/master/PFF%20Forensics%20-%20analyzing%20the%20horrible%20reference%20file%20format.pdf
* PFF forensics - e-mail and appoinment falsification analysis: https://github.com/libyal/documentation/blob/master/PFF%20forensics%20-%20e-mail%20and%20appoinment%20falsification%20analysis.pdf
* MAPI definitions: https://github.com/libyal/libfmapi/blob/master/documentation/MAPI%20definitions.pdf

Planned:

* Multi-threading support
* The Java (JNI) bindings are not operational and are there as long-term work in progress.

For more information see:

* Project documentation: https://github.com/libyal/libpff/wiki/Home
* How to build from source: https://github.com/libyal/libpff/wiki/Building