There is one other file type using
the UPG file extension!

empty icon.upg - Firmware upgrade [common]

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UPG file extension - SIEMENS Automation License Manager file

What is upg file? How to open upg files?

File type specification:

Various data file type icon Various data file type

The UPG file extension is associated with the SIEMENS Simatic software for various types of SIEMENS products including PDM (Process Device Manager) and Profibus products.

The .upg file is usually found in a hidden directory \AX NF ZZ. This directory and file extensions are associated with the licensing of  They all are created by SIEMENS Automation License Manager (almappx.exe) in conjunction with a separate licensing disk or on-line registration/product activation.

Help how to open:

This file type is not meant to be opened directly, there is no software that could open and work with it directly, or there is no information available in public sources about opening this file type. This is usually the case of some internal data files, caches, temporary files etc.

How to convert:

As far as we know, this .upg file type can't be converted to any other file format. This is usually the case of system, configuration, temporary, or data files containing data exclusive to only one software and used for its own purposes. Also some proprietary or closed file formats cannot be converted to more common file types in order to protect the intellectual property of the developer, which is for example the case of some DRM-protected multimedia files.

Related links:

Siemens Industry Automation website

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