PSPTUBE files are used by Corel PaintShop Pro to store tubes. Tubes are graphic elements like textures. PSPUBE is an old format that is likely not supported anymore.
PaintShop Pro is a photo editing program by Corel Corporation. It created the PSPUBE file format standard to store tubes. Windows programs can open PSPUBE files. Over 500 graphic file types exist, including PSPUBE. PaintShop Pro is the most common program that works with PSPUBE files.
If you have problems opening a PSPUBE file:
1. Check if the file type is associated properly with a program.
2. Install a program that supports PSPUBE files.
3. Associate the PSPUBE extension with the right software in Windows Registry.
Many files only contain simple text. PSPUBE files store graphical tube data for PaintShop Pro. The format is old and likely obsolete today.
PSP Video 9