NXPowerLite Desktop (Windows) does not supports the following file types:
- Portfolio files
- Digitally signed or password-protected PDF files.
PowerPoint, Word & Excel:
- Word/Excel/PowerPoint files created using Office 95 and earlier
- NXPowerLite cannot process digitally signed or password-protected files.
- All JPEGS are supported
- NXPowerLite can only optimize standard/legacy .zip archives that contain PDF, PowerPoint, Word, Excel or JPEG files. If your .zip archive is non-standard, does not contain any of these file types, or is encrypted/password-protected, NXPowerLite will not be able to optimize it.