Most files with PI extension are images in one of the older bitmap formats. Not very common.
There is one other file type using
the PI file extension!
.pi - iPi Pi calculation storage
Software that works with pi file extension
What is pi file? How to open pi files?
The PI file extension is used for several image formats. Mostly old bitmap formats with limited support. Includes:
Japan PI image
Blazing Paddles image
List of recommended software applications associated to the .pi file extension
Recommended software programs are sorted by OS platform (Windows, macOS, Linux etc.) and possible program actions
that can be done with the file: like open pi file, edit pi file, convert pi file, view pi file, play pi file etc. (if exist software for corresponding action in File-Extensions.org's database).
pi file viewer - programs that view pi file - Bitmap image
Click on the link to get more information about XnView MP for view pi file action.
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