Here you will see how to add a contact to the address book of a Nokia N97. Follow these steps to add a contact to your Nokia M97's address book: From the home screen, tap the "Contacts" icon and then tap "Add New Contact". Enter in the contact information and tap "Done". Tap "Exit" to return to the home screen. To set a contact as one of your favorite contacts, tap "Add to Favorites", and select the contact you wish to add as a favorite. Tap "OK" You can also do things such as add a called ID image.
Oh... and if you're working from home these days, be sure to check out Gadget Hacks' Working-From-Home Essentials.