Not to be confused with Briefcase Ingredient.
The Briefcase is a limited uncommon pet accessory in Adopt Me! that was released on April 28, 2022. It could have been obtained through purchasing and unboxing the Regal Chest for 
300 or the Standard Chest for 105; players had a 5.5% and 3.3% chance of getting it from these gifts, respectively. As the Briefcase was removed from the game on September 29, 2022, it can now only be obtained through trading.
Appearance[]
The Briefcase features a brown briefcase with gold corners and a golden latch. It shares the same appearance as the Briefcase Ingredient. This pet accessory goes on a pet's back.
Gallery[]
The Briefcase on a Dog.