MainSource Bank Online Banking Login

MainSource Bank is a community bank headquartered in Greensburg, Indiana. MainSource Bank was established in 1904. Today, the bank operates 91 branches in Indiana, Illinois, Ohio, and Kentucky.

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With Online Banking, you can turn your laptop, office, or smartphone into personal MainSource branch and in the process save plenty of time. MainSource Bank Online Banking is secure, simple, and completely reliable. To enjoy the online banking service, you must enroll. The following guide will take you through the steps MainSource Bank customers follow to login, reset or recover forgotten login credentials and enroll in online banking.


Personal account holders in MainSource Bank are able to access their online banking accounts after submitting their online banking credentials. Follow these steps to login:

Step 1- Click to access MainSource Bank website

Step 2- In the homepage, click the shown LOGIN link


Step 3- Please enter your Username and Password in the highlighted fields, then click Submit


The bank after approving your login credentials, it will grant you access.


If you can’t recall your online banking credentials, please follow these steps to recover your credentials.

Recover Username

Step 1- Please follow the first two steps in the How To login section

Step 2- Click the “Forgot Password?” link shown here


Step 3- Please click I forgot my username link shown here


Step 4- Enter your account email address, then click Send


You will receive your username via email.

Reset Forgotten Password

Step 1- In the login section, click the Forgot Password? link


Step 2- Please enter your phone number and username in the highlighted fields, then click “Send me a new password”


The bank will send you a new password.


Account holders in MainSource Bank can enroll for online banking if they so wish. Here are the enrollment steps for those willing to enroll:

Step 1- Follow the first two steps in the Hot To Login section to access the login page. In the login page, click the shown Enroll Now link


Fill in the Secure Sign-Up form and click the Complete sign up button at the bottom. Your online banking account will be activated after the bank approves the information you provide.


MainSource Bank’s online banking customers can:

  • View and manage your accounts
  • Access transaction history- up to 24 months
  • Transfer funds between accounts
  • Receive and pay your bills online
  • Access eStatements
  • Access alert notifications
  • Download your transactions and account balances to Quicken® and QuickBooks®

Federal Holiday Schedule for 2023 & 2024

These are the federal holidays of which the Federal Reserve Bank is closed.
MainSource Bank and other financial institutes are closed on the same holidays.

Holiday 2023 2024
New Year's Day January 2 January 1
Martin Luther King Day January 16 January 15
Presidents Day February 20 February 19
Memorial Day May 29 May 27
Juneteenth Independence Day June 19 June 19
Independence Day July 4 July 4
Labor Day September 4 September 2
Columbus Day October 9 October 14
Veterans Day November 10 November 11
Thanksgiving Day November 23 November 28
Christmas Day December 25 December 25

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