An error message prompts you to download the latest updates when you try to open an Excel workbook (.xlsx), a Word document (.docx), or a PowerPoint presentation (.pptx)

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Article ID: 972141 - View products that this article applies to.
This article applies to Microsoft Office 2008 for Mac Service Pack 2 (12.2.0)
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SYMPTOMS

When you try to open a file that is in one of the file formats that are described in the following table, you receive an error message that resembles the following message:
Microsoft Excel cannot open the file. You may have to download the latest updates for Office for Mac. Do you want to visit the Microsoft Web site for more information?
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File formatFile types
Open XML documentsWord Document (.docx), Excel Workbook (.xlsx), PowerPoint Presentation (.pptx), or PowerPoint Show (.ppsx)

Open XML templatesWord Template (.dotx), Excel Template (.xltx), or PowerPoint Template (.potx)

Macro-enabled Open XML documents and templatesWord Macro-Enabled Document (.docm), Word Macro-Enabled Template (.dotm), Excel Macro-Enabled Workbook (.xlsm), Excel Macro-Enabled Template (.xltm), PowerPoint Macro-Enabled Presentation (.pptm), PowerPoint Macro-Enabled Template (.potm), or PowerPoint Macro-Enabled Show (.ppsm)

CAUSE

This problem occurs when Microsoft Excel 2008, Microsoft Word 2008, or Microsoft PowerPoint 2008 cannot determine the precise version of the Open XML standard that was used to create the file.

WORKAROUND

To work around this issue, first download and install any available updates for Office 2008 for Mac by using the Microsoft AutoUpdate.
Note To use Microsoft AutoUpdate, click Check for Updates on the Help menu in any Microsoft Office program.
If updates do not resolve the issue, you can re-create or save the Excel workbook, Word document, or PowerPoint presentation in a file format other than Open XML. For example, you can save the file in the .xls, .doc, or .ppt file format.

For more information, visit the following Web site to view the "I can't open an Office document after I install Office 2008 SP2 Update" Help topic:
http://www.microsoft.com/mac/help.mspx?MODE=pv&CTT=PageView&clr=99-0-0&target=abce2ca1-4efe-4bb0-bd21-34ad9242779d1033

MORE INFORMATION

In May 2008, Microsoft defined a road map for the implementation of the ratified International Standard ISO/IEC 29500 (Office Open XML). Additionally, Microsoft announced that future Microsoft Office products would incorporate changes that are made by the standard’s governing body over time. Therefore, Excel workbooks, Word documents, and PowerPoint presentations can now be written by other companies by using the ISO/IEC 29500 standard.

Microsoft Office 2008 for Mac Service Pack 2 (SP2) has implemented many of the requirements of the ISO/IEC 29500 standard. However, Office 2008 programs may not read all files that use the ISO standard.

Future updates to Microsoft Office for Mac 2008 may become available to enable files that are written to the strict ISO standard to be opened in Microsoft Office 2008 for Mac.

For more information about the adoption of the ISO 29500 standard by Microsoft, visit the following Microsoft Web sites:
Microsoft Expands List of Formats Supported in Microsoft Office
http://www.microsoft.com/Presspass/press/2008/may08/05-21ExpandedFormatsPR.mspx

Introducing the Office (2007) Open XML File Formats
http://msdn.microsoft.com/en-us/library/aa338205.aspx

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Article ID: 972141 - Last Review: October 6, 2011 - Revision: 6.0
APPLIES TO
  • Microsoft Office 2008 for Mac
  • Microsoft Office 2008 for Mac Home and Student Edition
  • Microsoft Office 2008 for Mac Special Media Edition
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