Fileminimizer Suite 80 Portable Updated Jun 2026

Microsoft's newer XML-based formats (DOCX, XLSX, PPTX) are already compressed, but poorly. Version 80 recompresses the internal XML streams and removes embedded thumbnail cruft, yielding an extra 30-50% reduction on top of Microsoft's native compression.

We tested the updated portable version on a standard office PC (Intel i5-12400, 16GB RAM, Windows 11) against the previous non-portable v70. fileminimizer suite 80 portable updated