The PSPIMAGE extension is associated Paint Shop Pro, an application developed and sold by Corel which is primarily used for editing images and digital photos.
The PSPIMAGE format was first introduced in Paint Shop Pro 8 and it is still used as the native file format of the application. PSPIMAGE files can store both vector and raster graphics and also offer support for layers, various filters, transparency and other effects. PSPIMAGE files are mainly used for saving edited photos before exporting them as other compressed raster image formats.