Files with pxx file extension can be found as data files from ProteXXion Suite by Bayer Technology Services. Probably no longer used.
There is one other file type using
the PXX file extension!
.pxx - Encrypted Keyman customization file
PXX file extension - ProteXXion Suite data
What is pxx file? How to open pxx files?
File type specification:
The pxx file extension was in the past used for one of the data files in ProteXXion Suite by Bayer Technology Services GmbH.
No further information about this file type could be found as it is most likely obsolete.
This pxx file type entry was marked as obsolete and no longer supported file format.
This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.