What is .PLF file extension?
License file used by Papyrus Live Updater, a program that registers Papyrus software products; contains license information that can be imported into the Papyrus suite of applications to register an application, module, or plug-in.
You can double-click a PLF file to install a software license. Once the file is double-clicked, Papyrus Live Updater will open and allow you to import the license information.
You can see a list of software programs here on www.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.