Microsoft Office Excel Viewer 2007 Service Pack 3 (SP3) provides the latest updates to Office Excel Viewer 2007. These updates include two main categories of fixes:
Previously unreleased fixes that were made specifically for this service pack. In addition to general product fixes, this includes improvements in stability, performance, and security.
All the public updates, security updates, cumulative updates, and hotfixes that were released through August 2011.
Because Office service packs are cumulative, you do not have to install Service Pack 1 or Service Pack 2 before you install Service Pack 3. Service Pack 3 includes all fixes which were included in Service Pack 1 and Service Pack 2.
How to obtain and install the service packs
Method 1: Microsoft Update (recommended)
To download the service pack from Microsoft Update, visit the following Microsoft website:
Enrolling in Microsoft Update is the recommended way to update products to SP3. Microsoft Update will detect which products that you have installed, and then apply all updates to the products.
Method 2: Microsoft Update Catalog
To get the stand-alone package for this update, go to the Microsoft Update Catalog website.
For more information about how to download Microsoft support files, click the following article number to view the article in the Microsoft Knowledge Base:
119591 How to obtain Microsoft support files from online services
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Overview of Office Viewer 2007 SP3 improvements
Fixes an issue in which a crash occurs when you open an Excel workbook in Office Excel 2007 and then preview the workbook by using the Windows Explorer preview pane feature.
Known issues and behavior changes
2591067 Known issues that you may experience when you install the 2007 Office suite SP3 and Windows SharePoint Services 3.0 SP3
For more information about this service pack, including a list of the affected files, click the following article number to view the article in the Microsoft Knowledge Base:
2591039 Technical details about the 2007 Office system SP3 releases
Service pack removal
2007 Microsoft Office Service Pack 3 supports removal of client updates by using both the command line and the Microsoft Service Pack Uninstall Tool for the 2007 Microsoft Office suite. The Service Pack Uninstall Tool is available as a separate download. For more information about this tool, click the following article number to view the article in the Microsoft Knowledge Base:
954914 Microsoft Service Pack Uninstall Tool for the 2007 Microsoft Office suite