Microsoft KB Archive/234595

= XCLN: PowerPoint Slide Show Files (.pps) Get .ppt Extension When Sent from Exchange Client to Exchange Client =

Article ID: 234595

Article Last Modified on 10/28/2006

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APPLIES TO


 * Microsoft Exchange Client 5.5
 * Microsoft Exchange Client 5.0
 * Microsoft Exchange Client 4.0
 * Microsoft Exchange Client 5.0

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This article was previously published under Q234595



IMPORTANT: This article contains information about modifying the registry. Before you modify the registry, make sure to back it up and make sure that you understand how to restore the registry if a problem occurs. For information about how to back up, restore, and edit the registry, click the following article number to view the article in the Microsoft Knowledge Base:

256986 Description of the Microsoft Windows Registry



SYMPTOMS
When you send Microsoft PowerPoint Slide Show files (.pps) from the Microsoft Exchange Client the .pps file gets a .ppt appended to the end of the file name (for example, Filename.pps.ppt) when it is opened in another Exchange Client.



CAUSE
PowerPoint has one registered content type as defined in Request for Comments (RFC) 1521. Therefore, all PowerPoint files you send through Exchange Client get a .ppt extension if they don't already have a .ppt extension.



WORKAROUND
WARNING: If you use Registry Editor incorrectly, you may cause serious problems that may require you to reinstall your operating system. Microsoft cannot guarantee that you can solve problems that result from using Registry Editor incorrectly. Use Registry Editor at your own risk.

 Start Registry Editor (Regedt32.exe). Locate the following key in the registry:

HKEY_CLASSES_ROOT\.pps

Double-click Content Type, in the String box, type application/x-mspowerpoint, and then click OK. Locate the following key in the registry:

HKEY_CLASSES_ROOT\MIME\Database\Content Type\application/x-mspowerpoint

Double-click Extension, in the String box, type .pps, and then click OK. Quit Registry Editor.



MORE INFORMATION
For additional information about attachment names, please see the following article in the Microsoft Knowledge Base:

147299 XFOR: Attachment Names Changed in Messages To & From Internet

Keywords: kbprb KB234595

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