Notes Storage Facility

File Format
Name	Notes Storage Facility
Ontology	Electronic File Formats E-Mail, newsgroups, and forums Notes Storage Facility
Extension(s)	.nsf
MIME Type(s)	application/vnd.lotus-notes, application/x-lotus-notes
PRONOM	x-fmt/336, x-fmt/337, x-fmt/338
Released	1989

Notes Storage Facility (NSF) is used in Lotus Notes, Lotus Domino, and the later versions called IBM Notes and IBM Domino, to store e-mail, contacts, appointments, notes, and other things. It is structured as a collection of items called "notes" with data and metadata on each.

Currently owned by HCL

File identification

Files start with the hex bytes 1a 00, often followed by 00 03 00 00 or 00 04 00 00.

Links

• Lotus Notes to MongoDB tool
• Forensics Wiki article (archived)
• Current Forensics Wiki article
• Domino 7.0 C API notes (archived)
• Notes Encryption (archived)
• Analysis of the NFS database file format
• Commercial software to convert NSF
• NSF Converter/nMigrator (related blog post)