Microsoft KB Archive/147065

= XCLN: Not Open Attachment w/ Incorrect Extension =

Article ID: 147065

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 Q147065



SYMPTOMS
If you insert a Microsoft Word for Windows version 6.0 into a mail message with an incorrect file name extension, such as .Dxx instead of .Doc, the document can not be opened even if you rename the original document or the attachment with a valid file name extension. When you try to open the attachment, you will get the following error message:

The application associated with this attachment could not be started. Verify the application is installed on your system with a correct directory path.



CAUSE
When you insert a Microsoft Word document into a mail message, Microsoft Exchange immediately makes a temporary copy of that file, with the same file name and file name extension, and points to that copy. It is that copy that is transmitted with the mail message. Therefore, renaming the original document or the attachment will have no effect because a link has been established to the invalid copy.



MORE INFORMATION
Attachments created with the Microsoft Exchange Windows 95 client and Microsoft Word for Windows version 7.0 can be opened, because Microsoft Word 7.0 looks at the file header to determine the type of file, rather than the file name extension.

Keywords: kbenv KB147065

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