How to open NPI files

Did your computer fail to open a NPI file? We explain what NPI files are and recommend software that we know can open or convert your NPI files.

What is a NPI file?

The NPI file extension indicates to your device which app can open the file. However, different programs may use the NPI file type for different types of data.

While we do not yet describe the NPI file format and its common uses, we do know which programs are known to open these files, as we receive dozens of suggestions from users like yourself every day about specific file types and which programs they use to open them.

We are continually working on adding more file type descriptions to the site, so if you have information about NPI files that you think will help others, please use the Update Info link below to submit it to us - we'd love to hear from you!

Various NPI openers

These apps are known to open certain types of NPI files. Since many different programs may use NPI files for different purposes, you may need to try a few of the apps to open your specific NPI file.

Capture NXCapture NXUser submitted
Nexus RadioNexus RadioUser submitted
PremiumSoft Navicat for MySQLPremiumSoft Navicat for MySQLUser submitted
UB-04's HCFASoftwareUB-04's HCFASoftwareUser submitted
Nikon Capture EditorNikon Capture EditorUser submitted
PremiumSoft Navicat Lite for MySQLPremiumSoft Navicat Lite for MySQLUser submitted
Nick-O-Matic Design FactoryNick-O-Matic Design FactoryUser submitted
Navicat for MySQLNavicat for MySQLUser submitted
HCFAFill & Print NPIHCFAFill & Print NPIUser submitted
NavicatNavicatUser submitted
HCFASoftwareHCFASoftwareUser submitted

Try a universal file viewer

Try a universal file viewer like Free File Viewer. It can open over 200 different types of files - and most likely yours too. Download Free File Viewer here.

We have not verified any programs that we know for certain can work with NPI-files on Mac. If you know one, please use the Suggest link below and tell us about it!
We have not verified any online services that we know for certain can work with NPI-files. If you know one, please use the Suggest link below and tell us about it!