There are 4 other file types using
the PR3 file extension!
.pr3 - Adobe Persuasion presentation
.pr3 - dBASE IV PostScript printer driver
.pr3 - CheckMark Payroll Software employer payees file
.pr3 - Port Royale 3 saved game
What is pr3 file? How to open pr3 files?
The PR3 file extension is related to PFXplus and used for its data resource files.
The default software associated to open pr3 file:
PFXplus 
Company or developer:
Powerflex Corporation
PFXplus is set of tools used to handle application development problems. With PFXplus you can convert applications to Windows, use CCA Tools, use dialog resource editor, use extended MS-DOS etc.
Help how to open:
Due the variability and uncertainty of this file type group, there is no general information available, about how to open this various data file format. However most files with extension from this group are usually not meant to be opened or viewed directly. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.
For general information try to look at:
Identifying unknown file formats
How to convert:
Due the variability and uncertainty of this file type group, there is no general information available, about how to convert this various data file format. However most files with extension from this group are usually not in formats, which can be converted. If there are associated applications or programs listed below the extension description, you can always try to check their website for additional informations on their forums or other type of customer support.
List of recommended software applications associated to the .pr3 file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open pr3 file, edit pr3 file, convert pr3 file, view pr3 file, play pr3 file etc. (if exist software for corresponding action in File-Extensions.org's database).
Unspecified and all other actions for computer programs working with pr3 file - PFXplus resource file
Click on the software link for more information about PFXplus. PFXplus uses pr3 file type for its internal purposes and/or also by different way than common edit or open file actions (eg. to install/execute/support an application itself, to store application or user data, configure program etc.).
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