Lotus Notes is an email client, which is used for business
purposes mainly for the track, record & the activity of the employees. It
was built by IBM and is based on client-server technology. Formerly it was
recognized by the name of IBM Notes, it uses Lotus Domino as its email server. It
serves as a good option over other email clients which supports the various
versions of it. The files are created in Lotus Notes are in NSF format which
contains separate contacts list, emails, calendars, events etc., information.