PSNXML file extension - 3M Post It note file
What is psnxml file? How to open psnxml files?
File type specification:
The psnxml file extension is associated with the Post It software for Microsoft Windows operating system developed by 3M company.
The psnxml file stores note created in the 3M Post It.
This psnxml 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.