>i found this only for PPS file not opening from windows mail but open fine once we save it , try this only for power point files
For .PPS files (
Microsoft PowerPoint Slideshow)
- Click Start, type regedit.exe and press ENTER
- Navigate to the following branch:
HKEY_CLASSES_ROOTPowerPointViewer.SlideShow.11shellShow
- Right-click Show and click Rename
- Type the word Open so that Show is replaced by Open command
- If you have PowerPoint Viewer 2007 installed, repeat the above steps in this key, as well:
HKEY_CLASSES_ROOTPowerPointViewer.SlideShow.12shellShow
- After changing Show to Open, close Registry Editor window.
For .PPT files (
Microsoft PowerPoint Presentation)
- Click Start, type regedit.exe and press ENTER
- Navigate to the following branch:
HKEY_CLASSES_ROOTPowerPointViewer.Show.11shellShow
- Right-click Show and click Rename
- Type the word Open so that Show is replaced by Open command
- If you have PowerPoint Viewer 2007 installed, repeat the above steps in this key, as well:
HKEY_CLASSES_ROOTPowerPointViewer.Show.12shellShow
- After changing Show to Open, close Registry Editor window.
Screenshot
(Fig 1) Show is renamed as
Open
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