Your Stash banking account can only be connected to one external bank account at a time, but you can absolutely change which external bank account you want linked to Stash. Follow these steps to change external bank accounts. 

In the app:

• Open Stash
• From the Home screen, tap on the icon on the upper left hand corner. For iOS, it will be your initials or picture, for Android, the menu (hamburger) icon.
• Tap on Manage external bank account 
• Tap on Connect to a different account

Online:

• Log into your account via Stash.com
• Click on  your name or picture on navigation bar
• Select External bank account 
• Click on Change your external bank account

DISCLOSURES

Bank Account Services provided by Green Dot Bank and Stash Visa Debit card issued by Green Dot Bank, Member FDIC, pursuant to a license from Visa U.S.A. Inc.  Visa is a registered trademark of Visa International Service Association. Green Dot Bank operates under the following registered trade names: GoBank, Green Dot Bank and Bonneville Bank.  All of the registered trade names are used by and refer to a single FDIC-insured bank, Green Dot Bank. Deposits under any of these trade names are deposits with Green Dot Bank and are aggregated for deposit insurance coverage.  Green Dot is a registered trademark of Green Dot Corporation. (c) 2020 Green Dot Bank. All rights reserved. Investment products and services are not offered by Green Dot Bank and are Not FDIC Insured, Not Bank Guaranteed, and May Lose Value.