This article may interest you, if when you launch PowerPoint for Mac, or when you try to open a new presentation, and the program closes unexpectedly.
Additionally, you receive this error message;
The application Microsoft Powerpoint quit unexpectedly. Mac OS X and other applications are not affected. Click relaunch to launch the application again. Click report to see more details or send a report to Apple.
To resolve this issue, Microsoft KB975723 recommends you try these trobleshooting steps:
1. Remove Powerpoint Preferences
2. Try Powerpoint in Safe Mode Boot
3. Remove and then reinstall Office
4. Use the “Repair Disk Permissions” option
This fix applies to PowerPoint 2004 for Mac, PowerPoint 2008 for Mac & PowerPoint for Mac 2011.