Microsoft® Office 2003 Service Pack 3 (SP3) 是 Office 2003 安全性演進過程中的一個重大改變.它進一步強化了 Office 套件,使之能夠有效抵禦潛在的攻擊和其他安全威脅.此 Service Pack 中還包含以前曾作為單獨的 Office 2003 更新發布的修補程序。
此更新適用於以下程序：
Microsoft? Office Professional Edition 2003
Microsoft? Office Small Business Edition 2003
Microsoft? Office Standard Edition 2003
Microsoft? Office Student and Teacher Edition 2003
Microsoft? Office Basic Edition 2003
Microsoft? Office Access 2003
Microsoft? Office Access 2003 Runtime
Microsoft? Office Excel? 2003
Microsoft? Office FrontPage? 2003
Microsoft? Office InfoPath? 2003
Microsoft? Office Outlook? 2003
Microsoft? Office PowerPoint? 2003
Microsoft? Office Publisher 2003
Microsoft? Office Word 2003
Microsoft? Office 2003 Web 組件
Microsoft? Office XP Web 組件