I've found envelope printing such a fag in the past that all addresses for packages and envelopes are done on Avery labels.
Not an answer to your immediate problem but something you might bear in mind for the future.
Fujitsu Lifebook P727 laptop review
Lightwell software lets you create mobile apps without using code
Best value Mac: Which is the best £1249 Mac to buy
Comment désactiver les programmes qui s'exécutent au démarrage de Windows 10 ?