.NSF File

File extension nsf is associated with the IBM Lotus Notes, software for rich desktop experience that helps users to locate, transform and share content, developed by IBM Corporation.

NSF is abbreviation for Notes Storage Facility, a special file format for databases used by Lotus Notes. These databases are often available for download from Lotus Domino Servers.

MIME types:
application/vnd.lotus-notes

This nsf file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.

Files with nsf extension can be mainly found as databases in Notes Storage Facility format, created by IBM Lotus Notes and often used by IBM Domino Servers.

How to open:

Use Lotus Notes to work with the *.nsf file.

How to convert:

Compatible tools may be able to export *.nsf files to other formats.