What is .PTN file extension?
File created by PaperPort, a program used for scanning documents, organizing files, and sharing documents; contains data needed to display thumbnail images; serves as an index file for documents used in PaperPort.
Common PTN files are PPThumbs.ptn, which is used in most PaperPort versions, and PP11Thumbs.ptn, which is used in PaperPort 11. PaperPort is available in Standard, Professional, and Enterprise editions.
PTN files may be deleted, but they will be recreated the next time PaperPort is launched.
You can see a list of software programs here on easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.