Consider the following scenario. You try to open or to save a 2007 Microsoft Office document in one of the programs that is listed in the "Applies to" section. The file uses the Open XML file format that is new to the 2007 Microsoft Office system. In this scenario, you may receive one of the following error messages:

Back to the top

This issue may occur if one of the following conditions is true:

•

You install a file awareness update that is dated May 19, 2006. But you do not install the Microsoft Office Compatibility Pack. For more information about the file awareness updates that are dated May 19, 2006, click the following article numbers to view the articles in the Microsoft Knowledge Base: 910473 (http://support.microsoft.com/kb/910473/) Description of the update for Office 2003: May 19, 2006 910474 (http://support.microsoft.com/kb/910474/) Description of the update for Office XP: May 19, 2006 The beta versions of these files will continue to work until the beta expires. For more information about when the Beta versions of the 2007 Microsoft Office programs expire, click the following article number to view the article in the Microsoft Knowledge Base: 924613 (http://support.microsoft.com/kb/924613/) You receive a message when you try to start a 2007 Office program: "Your beta software has expired"

•

You install a file awareness update for the release version of the framework. For more information about the file awareness updates for the release framework, click the following article numbers to view the articles in the Microsoft Knowledge Base: 923097 (http://support.microsoft.com/kb/923097/) Description of the update for Office 2003: October 10, 2006 923272 (http://support.microsoft.com/kb/923272/) Description of the security update for Office 2003: October 10, 2006 923088 (http://support.microsoft.com/kb/923088/) Description of the security update for Excel 2003: October 10, 2006 923091 (http://support.microsoft.com/kb/923091/) Description of the security update for PowerPoint 2003: October 10, 2006 923094 (http://support.microsoft.com/kb/923094/) Description of the security update for Word 2003: October 10, 2006 910474 (http://support.microsoft.com/kb/910474/) Description of the update for Office XP: May 19, 2006 918420 (http://support.microsoft.com/kb/918420/) Description of the security update for Microsoft Excel 2002: July 11, 2006 917153 (http://support.microsoft.com/kb/917153/) Description of the update for PowerPoint 2002: July 11, 2006 917347 (http://support.microsoft.com/kb/917347/) Description of the update for Word 2002: July 11, 2006

Additionally, the following condition is true:

•

You open or save one of the following 2007 Office file types. Microsoft Office Excel 2007: • An Excel 2007 binary workbook file (.xlsb) • An Excel 2007 workbook file (.xlsx) • An Excel 2007 macro-enabled workbook file (.xlsm) • An Excel 2007 template file (.xltx) • An Excel 2007 macro-enabled template file (.xltm) • An Excel 2007 add-in file (.xlam) Microsoft Office PowerPoint 2007: • A PowerPoint 2007 presentation file (.pptx) • A PowerPoint 2007 macro-enabled presentation file (.pptm) • A PowerPoint 2007 template file (.potx) • A PowerPoint 2007 macro-enabled template file (.potm) • A PowerPoint 2007 show file (.ppsx) • A PowerPoint 2007 macro-enabled show file (.ppsm) Microsoft Office Word 2007: • A Word 2007 document file (.docx) • A Word 2007 macro-enabled document file (.docm)

Back to the top

To resolve this issue, install the Compatibility Pack. To do this, use one of the following methods:

•	Click Yes when you receive one of the messages that are mentioned in the "Symptoms" section.
•	Visit the following Microsoft Web site to download and to install the Compatibility Pack: http://www.microsoft.com/downloads/details.aspx?familyid=941b3470-3ae9-4aee-8f43-c6bb74cd1466 (http://www.microsoft.com/downloads/details.aspx?familyid=941b3470-3ae9-4aee-8f43-c6bb74cd1466)

Back to the top