Addressing Wedding Invitations Without Inner Envelope. Invitations & Stationery Envelope Addressing Etiquette Not quite sure how to address those invitation envelopes? Traditional etiquette indicates the outer envelope of your wedding invitation should be more formal with titles and/or full names, while the inner envelope is more informal (leaving out first names, titles or last names).
If you prefer not to send separate invitations to children, make sure that their names are written on a line below their parents' names on the inner envelope and organized from oldest to youngest.
If you're using one envelope rather than an inner and outer envelope, you guest(s) full name and address should go on the front of the envelope.
When sending out wedding invitations, unless you're sending one virtually, there are two The outer envelope is where you print a guest's physical address. I didn't have inner envelopes either. It allows you to specify exactly whom you're inviting to your wedding.