How To Clean Up Mailchimp List

Email marketing focuses on targeting the correct audience at the appropriate moment. However, what occurs when your email list becomes disorderly and ineffective? This is where Mailchimp can assist. Mailchimp, a prominent email marketing tool, provides various methods to declutter your email list and simplify your marketing efforts. This guide will lead you through the steps of cleansing your Mailchimp list in order to achieve optimal results.

Step 1: Identify and Remove Inactive Subscribers

The first step in cleaning your Mailchimp list is identifying and removing inactive or unengaged subscribers. These are individuals who have not opened or clicked on any of your emails in a significant period of time. Removing these subscribers helps improve your open and click rates, thus improving your overall email deliverability.

To remove inactive subscribers, navigate to the Audience tab on your Mailchimp dashboard. Click on the Manage Contacts dropdown, then select Segments. Create a new segment where the conditions are Contact Rating = 1 star. After creating this segment, simply select all the contacts and delete them.

Step 2: Remove Duplicate Email Addresses

Duplicate email addresses in your list can skew your campaign data and lead to inflated send counts. Luckily, Mailchimp automatically screens for and removes duplicates when you import a new list. However, it doesn’t hurt to double-check.

You can do this by exporting your email list as a CSV file. Open the file in a spreadsheet program like Excel. Use the program’s built-in remove duplicates function to identify and remove any duplicate entries.

Step 3: Regularly Update Your List

Cleaning your Mailchimp list isn’t a one-time task. You should regularly update your list to ensure it remains efficient. Consider setting a schedule to clean your list every 3 to 6 months. This will ensure that your list remains efficient and your campaigns remain effective.


Cleaning up your Mailchimp list may seem like a daunting task but it’s a crucial step to ensure your email marketing efforts are successful. By removing inactive subscribers, eliminating duplicates, and regularly updating your list, you’re on your way to a more streamlined and efficient email marketing campaign. Happy emailing!