When a user downloads a ppt file from a web site using version 2.1 of this software PowerPoint refuses to open it giving this message:
The selected file does not appear to be a valid Microsoft Office PowerPoint file. It might be another kind of Microsoft Office System file or a file created by using a different program.
Try double-clicking the file in Windows Explorer to see if another program will open it. If PowerPoint opens again when you double-click the file in Windows Explorer, it is possible that the file is not a PowerPoint file but that its extension was renamed to be that of a registered PowerPoint file type (such as .ppt, .pptx, .pps, .ppsx, .pptx, .pot, or .potx) but the file is not a PowerPoint file.
To determine which program can open the file, try any of the following:
Contact the original author (if known) to find out which program was used to create this file. Then rename the file with the correct extension so that it can be opened by that program.
Try opening the file in other programs.
If you, or someone you know, are very knowledgeable about software, examine the file header in a text editor to determine which program can read the file.
Another possibility is that the file was damaged during transfer from another computer. If the file was transmitted over a modem, try re-transmitting the file.
Lastly, the file might have become corrupted. If you have a backup copy of the file, use it. It is not currently possible to reverse file corruption.
The ppt file is just fine because I can copy it from the web server using scp and it is fine.
The web server runs RHEL5 and Apache 2.2.3
Thanks for looking into this.
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