Subscriber information is stored in list fields inside your MailChimp account. List fields can be added and deleted from both the form builder and the list database. In this article, you'll learn how to add and delete fields using both of these methods, as well as how to add a predefined list field. We also discuss character and number limits for list fields.

Contents

Adding and deleting list fields in the form builder

If you would like to directly add fields to or remove fields from your signup form, this can be done through our form builder. Those same fields will automatically be added to or removed from your list database.

Add a field in the form builder

  1. Navigate to the Lists page.
  2. Click the list's drop-down menu next to the Stats button and select Signup forms for the list you're working with.
  3. Select General forms to open the form builder.
  4. Under the Build it tab, choose a field type under the add a field menu.
  5. The new field's name, tag, and other characteristics can be customized under the field settings menu.
  6. Choose Save Field to save your changes and add the field to your form.

Fields can be deleted from the form builder, as well. Deleting a field from the form builder also permanently deletes the data collected in that field. MailChimp cannot recover the data once it has been removed. It's recommended to back up your list before deleting any fields. Instead of deleting fields, you can hide fields in the list and on the sign up form.

Note

Adding a Check Boxes field will automatically create a Group in your list. Drop Down and Radio Buttons fields can also be converted to be Group fields. Because Groups are treated as a list of options or interests, Group fields cannot be made required on a sign up form.

Delete a field in the form builder:

  1. Navigate to the Lists page.
  2. Click the list's drop-down menu next to the Stats button and select Signup forms for the list you're working with.
  3. Select General forms to open the form builder.
  4. Click on the field you want to delete from your list.
  5. Click the minus (-) sign or Delete under the field settings for the field.
  6. Type DELETE in all caps, then select the Delete Field button to confirm the field's deletion.

Adding and deleting list fields in the list database

List fields can also be directly added and removed from the list database, without accessing the form editor interface. Adding or deleting a field this way will also add or remove the field from your hosted signup form. If you're working with the Advanced Mode form builder, add fields this way. Then, refresh the advanced builder to pull in the defaults, or add the code for the new field manually.

Add a field in the list database

  1. Navigate to the Lists page.
  2. Click the list's drop-down menu next to the Stats button and choose Settings for the list you're working with.
  3. On the Settings page, select List fields and *|MERGE|* tags.
  4. Choose the Add A Field button to see the available field types.
  5. Select the type of field you'd like to add.
  6. Type a name for the field, and then click the Save button to save the new field in your list.

Fields can be deleted from the form builder, as well. Deleting a field from the form builder also permanently deletes the data collected in that field. MailChimp cannot recover the data once it has been removed. It's recommended to back up your list before deleting any fields. Instead of deleting fields, you can hide fields in the list and on the sign up form.

Note

Adding a Check Boxes field will automatically create a Group in your list. Drop Down and Radio Buttons fields can also be converted to be Group fields. Because Groups are treated as a list of options or interests, Group fields cannot be made required on a sign up form.

Delete a field in the list database

  1. Navigate to the Lists page.
  2. Click the list's drop-down menu next to the Stats button and choose Settings for the list you're working with.
  3. On the Settings menu, select List fields and *|MERGE|* tags.
  4. Click the X button for the field you want to delete.
    Delete button
  5. Type DELETE in all caps, then select the Delete Field button to confirm the field's deletion.
    Delete confirm

Add a predefined list field

If you're using our Drop Down or Radio Buttons field types, you can also include predefined choices. Predefined choices include gender, days of the week, months of the year, US states, and world countries.

Add a predefined list field

  1. Navigate to the Lists page.
  2. Select the list's drop-down menu next to the Stats button and choose Signup forms for the list you're working with.
  3. Click the Select button under the General forms icon to open up the form builder.
  4. Locate the Build it tab.
  5. Under the add a field tab on the right side of the page, select the Drop Down button.
  6. Select menu options in the field settings tab on the right side of the screen. Choose from the available options under the predefined choice lists drop-down menu.
  7. Once you've chosen a predefined choice list, you can add, delete, or edit the choices for the field. Use the plus (+) icon to add an option and the minus (-) icon to delete an option. Click on any entry to make changes.
  8. After making any needed adjustments to the field options, change any additional preferences, such as field label and field visibility.
  9. Once all changes have been made, select the Save Field button.

Limits for list fields

  • List field values are limited to a maximum of 255 bytes of information. In many alphabets, this is equal to 255 characters. However, some alphabets, or symbolic characters such as hearts, will use more than one byte of information per character. If you're looking for a longer field option for your subscribers, you may want to check out one of our integrations with a third-party form builder.
  • Labels for form fields are limited to 50 bytes (usually about 50 characters).
  • Lists are limited to a maximum of 30 data fields for each subscriber. If you need to store more than 30 fields of information about your subscribers, you may want to look into using Groups to help consolidate some list fields.

These features are accessible by users with Manager level or higher permissions. Take a look at this article to learn more about the different access levels for a MailChimp account.


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