Outlook 2003 Junk E-mail Filter Update 2

Microsoft has released an update to Microsoft Office Outlook 2003. This optional update provides the Junk E-mail Filter in Office Outlook 2003 with a more current definition of the messages that it should consider junk e-mail. By installing the update, you help the Junk E-mail Filter give you a higher level of protection against junk e-mail. Additional updates will follow.

http://support.microsoft.com/?kbid=835235

Excel 2003 Update

Microsoft has released an update to Microsoft Office Excel 2003. This update fixes a problem in Excel 2003 that can cause the RAND(), RANDBETWEEN(), SLOPE(), INTERCEPT(), FORECAST(), and STEYX() functions to return values that are not correct. This update fixes the problem so that these functions generate the correct results.

http://support.microsoft.com/?kbid=834691

You can also update Office 2003 from within any of the Office applications, word, excel, etc...