.UPD file extension

This is the basic program to work with .UPD extension

Satmaster Pro Demo

Satmaster Pro Demo Satmaster Digital Up-Down Link Budget File

The program works with the following extensions: duo, geo, leo, lrg, rgn, twn, upa, upd, sun, ang, att, dna and dnd

.UPD extension is also supported by the following programs:

IBM Rational License Server

IBM Rational License Server Rational License Update Document

A software that serves floating license keys to the IBM Rational products.
IBM Rational Agent Controller

IBM Rational Agent Controller Rational License Update Document

IBM Rational Agent Controller is a daemon process .
Just Great Software EditPad Lite

Just Great Software EditPad Lite Text Document

Use EditPad Lite to easily edit any kind of plain text file.
Java 2 SDK Standard Edition

Java 2 SDK Standard Edition Text Document

This is a development kit widely used for Server programming using Java platform.