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Office 2003 Service Pack 1 contains significant security enhancements, in addition to stability and performance improvements. Service Pack 1 (SP1) also includes many performance and feature enhancements to Microsoft Office InfoPath 2003.

Some of the fixes included with SP1 have been previously released as separate updates. This service pack combines them into one update.

Download: Client install (17.9 MB) | Admin install (72.1 MB)

Also available via Office Update

View further information about this update: Microsoft Knowledge Base Article - 842532