PowerPoint 2007: Delete all slide notes

1. Click the Office button, point to Prepare, and then click Inspect Document.
2. Click Inspect.
3. Click Remove All next to Presentation Notes. You can also choose to remove invisible on-slide or off-slide content, personal information, comments, and more.
4. Save this version of the presentation separately (be sure not to overwrite your full version), and share it safely.