I'm analyzing a webite of a potential client, and I've seen that they use files with a *.nsf termination. I have no clue what type of files they are?

Could you shed some light on this matter, please?

...it's a Lotus Notes database extension.

hope that helps!
-Kr0m3

There are no "webmasters"...only "webstudents". Now, snatch the floppy from my hand, grasshopper.