Different or Missing Features Although Outlook and Outlook Express are both email clients owned by Microsoft, different product groups developed them and | Team LiB Different or Missing Features Although Outlook and Outlook Express are both email clients owned by Microsoft different product groups developed them and as a result there are some differences in how some features work in Outlook compared to Outlook Express. Outlook Express is a nice little email program it does many things well and it s small and fast. It has some features that many users enjoy but some of those features work a bit differently or are not available in Outlook. This section attempts to cover most of the differences so that you don t waste time trying to figure out how to turn on the feature in Outlook. View Images Inline The Outlook Express feature that most people seem to miss the most is inline preview of images. This feature previews images attached to messages at the end of the message eliminating the need to open the attachment. Outlook doesn t support inline previews. When selected an image should open in the Windows Image and Fax Viewer when you use the default Windows settings. Automatically Add Addresses to the Address Book Outlook Express has an option in Tools Options Send that enables you to automatically add to your address book anyone to whom you ve sent a reply. Outlook 2003 doesn t have the capability to do this and for good reason Doing so often results in a folder full of addresses that you might never need again. When you want to add an address to your address book right-click on an address and then choose Add to Contacts Folder. You aren t limited to adding only addresses in the To and CC fields when you reply this trick works on the To From or CC fields in any message in your inbox. If you need to automatically save addresses to your address book add-ins that use rules to automate this for you are available. Look at for Exlife or custom actions for Outlook s Rules Wizard or at for a list of current add-ins. Using a rules-based method gives you more control over the addresses that are .