.ZPI File Extension
File Type 1Zipped File
What is a ZPI file?
ZPI files, once received, can be renamed back to the original ".zip" extension and then opened.
Programs that open ZPI files
File Type 2PDF Converter Index File
.ZPI File Association 2
Index file used by PDF Converter, a plug-in program used with popular applications for managing, creating, and converting .PDF files; contains a searchable index of PDF files; enables searching within large collections of PDF files.