Assistance for MyTopo's PC software products can be found at
the TNP Service and Support Pages:
Please check there for answers to many common questions
before contacting MyTopo for support.
If you cannot find the answer you seek, please feel free to
email us at TNPsupport@trimble.com or call toll-free: 800-627-7236 (M-F: 9:00am - 5:00pm; U.S.