How to address an envelope correctly: Envelope etiquette.
Addressing formal invitations can be a daunting task. Married people may or may not have the same last name, and either partner is equally likely to be a doctor or other honored official. Luckily.
Although there are many rules for how to address doctors and scholars, the rules for addressing an envelope to a Ph.D. are easy to follow, once you know them. When addressing an envelope to a Ph.D.
Your letters will only get delivered if you write the address correctly on the envelope. The location of the addresses and postage stamps on German letters are the same as in North America and the rest of Europe. The address of the recipient goes in the middle. The return address goes in the top left and the postage stamp in the top right.
Treat these labels like an envelope, with the return address in the upper left corner of the label and the delivery address in the center. Exception for Formal Invitations Traditionally, etiquette allows the return address to sit on the flap of the envelope rather than printing it on the same side as the delivery address when mailing formal invitations to events such as weddings or graduations.
Write the address as you would for anyone, putting it below either the name or the title. Step 4 Put your name clearly on the front of the envelope with the return address to avoid delays in delivery.
Write the street address and suite number (if any) on one line. Start a new line for the city, state, and zip code. List the recipient’s formal title and address. Regardless of the informality of the letter itself, the address on the envelope should be complete. The recipient’s name and title should go on the first line.
Make sure that the recipient's address is placed in the center of the envelope. The best place for the return address is at the top left corner of an envelope, but the back flap also works.