PSDT file extension - Protocol Specification Definition Tool module
What is psdt file? How to open psdt files?
File type specification:
The psdt file extension is associated with the NTAS (Network Transaction Application Server), a server app for Microsoft Windows system, developed by ARI System.
The psdt file contains module for Protocol Specification Definition Tool, a part of NTAS.
NTAS seems to be obsolete, or was replaced by other software from ARI.
This psdt 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.