MainSource Bank provides customers with an online banking platform that allows them to access their accounts remotely at any time and from anywhere. Users of the service can manage and view their account balance, set up budgets, view transaction history, transfer funds, pay bills and download eStatements. For more details on MainSource online banking, click here.

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Online Login

Step 1 – Go to the MainSource Bank homepage.

Step 2 – On the right hand side of the page, locate the online banking login form.


Step 3 – Enter your User ID and Password to log in.

  • Forgot Password – To recover your password, enter your registered phone number and user name.


  • Forgot Username – To recover your username, enter your registered email address.


Mobile Apps

MainSource Bank provides apps for mobile online banking. There are apps available for both Android and iOS. With the app installed on your mobile device, you can check your balance, view transactions, transfer funds, deposit checks, locate branches and ATMs, and pay bills. Follow this link for more information about mobile banking.













Mobile Site

MainSource Bank has a mobile website for those users whose devices are not yet supported. Here’s how to log into online banking.

Step 1 – Use a browser to access the mobile site then click “Online Banking Login”.


Step 2 – Enter your Username and Password, then click “Log in”



Enroll in Online Banking

MainSource Bank account holders can enroll for online banking. Those without an account with the bank are required to open a new account by visiting a branch location. If you already have an account, you can enroll by following the steps below.

Step 1 –   Go to the online banking page and click “Enroll”.

Step 2 – You will be redirected to the internet banking registration page. Click ‘Begin’ to kick start the process.


Step 3 – Fill in the enrollment form, accept the terms and conditions, and then click “Continue”.


Step 4 – Confirm and submit.

For help with online banking enrollment call customer service 1-800-713-6083 or email [email protected].