The PI file extension has two file types. One is the Pi Calculation Data File format. It can open with iPi Software. IPi calculates pi. It tests speed. The PI format description unavailable. Another is Blazing Paddles Bitmap. Blazing Paddles draws images. It runs on Apple II, Atari 8bit, and C64. Its PI format description also unavailable.
PI files belong to Raster Image Files. The PI file extension found in 522 other file types. XnView may not support them. The Bitmap Image file format made by N/A. It likely created with XnView.
To open PI files, associate the PI extension with the right application. Update old software. Only the newest version supports the latest PI format. Check for corrupted or infected PI files. Scan them with virustotal.com.
To view or convert PI files: Use a PI File Opener, PI File Converter, PI File Viewer, or PI File Editor.