.NSF file extension

This is the basic program to work with .NSF extension

Lotus Notes

Lotus Notes Notes Database

IBM Lotus Notes keeps you working in context, so you don't have to move across disjointed applications and web pages. Let information you need find you, rather than you looking for information. Lotus Notes is an easy-to-use, desktop client for social business that delivers the people and business applications that help you get work done fast... (more)

The program works with the following extensions: vcf, nsf and ndl