Notes about the PXX file extension:
To open this file type, a required software must be installed. Without it you only see a Windows message "The following file cannot be opened
" (Windows 7) or "How do you want to open this file?
" (Windows 10) if you double-click the file. There click on "More apps"
and choose a suitable software to view such files on your PC or from email attachments.
The PXX file type is primarily associated with 'ProteXXion Suite' by Bayer Technology Services GmbH.
Bayer Technology Services offers ProteXXion with a unique solution for tamper-proof authentication.
This is based on a laser-optical methods of the British Technology Partners Ingenia Technology Ltd. The surface can clearly be authenticated, without any additional labeling required. The object itself becomes the marker.
Detailed information for file extension PXX:
File classification: Archive
To change file associations press Windows Key
and then Apps and Features
> Default apps
> Choose default apps by file type
Invalid file associations could be the result of underlying issues within your Windows PC.