AFF4 -The Advanced Forensics File Format The Advanced Forensics File format 4 was originally designed and published in "Extending the advanced forensic format to accommodate multiple data sources, logical evidence, arbitrary information and forensic workflow" M.I. Cohen, Simson Garfinkel and Bradley Schatz, digital investigation 6 (2009) S57-S68. The format is an open source format used for the storage of digital evidence and data. WWW: http://www.aff4.org/