Microsoft small business knowledge base

Article ID: 166339 - Last Review: January 19, 2007 - Revision: 1.2

This article was previously published under Q166339


When you open a JPEG file in Microsoft Photo Editor, one of the following error messages may appear:
Unknown File Format
Cannot open or find this file path\filename
NOTE: Microsoft Photo Editor 3.0 may not open JPEG images with the .jpeg extension from the Windows desktop. You may need to open this file by clicking Open on the File menu within Microsoft Photo Editor.


Microsoft Office 97 installs a JPEG filter that is incompatible with Microsoft Windows 95 Plus Pack Desktop Themes. This incompatibility does not occur with Microsoft Office 97 on computers that do not have the Desktop Themes installed.


Install the new version of the Themes.exe file included on the Microsoft Office 97 CD-ROM in the following location:
where drive is the drive letter of your CD-ROM drive.

For additional information about Themes.exe and how to obtain it, click the article number below to view the article in the Microsoft Knowledge Base:
160846  ( ) "Illegal Operation" Error Message Changing Desktop Themes


The Microsoft Photo Editor is a standalone product that is installed by a complete installation of Microsoft Office 97 for Windows or Microsoft Word 97 for Windows. It allows you to customize graphic images you create, scan, or open.

For additional information, click the article number below to view the article in the Microsoft Knowledge Base:
165812  ( ) OFF97: Photo Editor Is Not Installed by the ValuPack
169938  ( ) PE97: General Information About Microsoft Photo Editor

  • Microsoft Word 97 Standard Edition
kbprb KB166339
Retired KB ArticleRetired KB Content Disclaimer
This article was written about products for which Microsoft no longer offers support. Therefore, this article is offered "as is" and will no longer be updated.
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