If you are part of a multi office sharing group, you can change the office that a listing is located under up until Pre-Listing status.
Navigate to the listing details tab.
Scroll down to the bottom of the Summary section on the left hand side and click on the office name.
This will display a drop down where you can select the office you wish to move the listing to.
If a listing has been created in the incorrect office and is already passed Pre-Listing status, follow the below steps:
Clone the listing to create a new Pre-Listing.
Change the new listing to the correct office and move up the property timeline to the correct status.
Update the listing in the incorrect office to Withdrawn.