About
A powerful companion app for Yamaha Expansion Manager
YEM Content Explorer lets you browse, preview, and manage your Yamaha Expansion Pack library directly from your PC. Explore voices, drum kits, samples and waveforms from any PPF or CPF pack — without opening Yamaha Expansion Manager.
Voice Viewer
Browse all voices inside a pack with full parameter details.
Drums Viewer
Full drum kit mapping with waveform preview per key.
Sample Export
Export samples to WAV or AIFF from any expansion pack.
Keybank Editor
Remap samples to different keys and velocity ranges.
Multi-YEM Manager
Manage multiple YEM installations from one place.
Backup & Restore
Back up your entire YEM library with one click.
Version History
What changed in each release
-
What's New →Version 4 LatestLicense upgrade system, online validation, Outlook email fixes
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What's New →Version 3Voice Viewer, Drums Viewer, Sample Export, initial release
System Requirements
- Windows 10 or Windows 11 (64-bit)
- Yamaha Expansion Manager installed
- Internet connection required for license activation
- Minimum 4 GB RAM recommended