Outlook 2003+ : Customizing Startup Folder

Commands to start Outlook up with various views -

START /MAX '' 'C:\Program files\Microsoft Office\OFFICE11\OUTLOOK.EXE'
START /MAX '' 'C:\Program files\Microsoft Office\OFFICE11\OUTLOOK.EXE' /select outlook:tasks
START /MAX '' 'C:\Program files\Microsoft Office\OFFICE11\OUTLOOK.EXE' /select outlook:calendar
START /MAX '' 'C:\Program files\Microsoft Office\OFFICE11\OUTLOOK.EXE' /select outlook:contacts
START /MAX '' 'C:\Program files\Microsoft Office\OFFICE11\OUTLOOK.EXE' /select outlook:notes

Put your preferred options in a batch file to use multiple instances of outook (useful as can switch between outlook functionality on the grouped taskbar in xp).