Files with np extension are used byt he Nokia Planner program. They include some project schedules.
There is one other file type using
the NP file extension!
.np - Portfolio NetPublish web template
NP file extension - Nokia Planner project schedule file
What is np file? How to open np files?
File type specification:
The np file extension is associated with the Nokia Planner software or device developed by the Nokia. The .np file stores project schedule.
The Nokia Planner seems to be obsolete product that is not supported by the developer.