This article is part of a series of articles about personalizing emails. You can check out other ways to personalize your messages.

Personalization is about delivering relevant content to your contacts that they are interested in. Using dynamic content helps you achieve just that.

Emails that are personalized using dynamic content are more engaging, receive more clicks and generally result in fewer unsubscribes. 

How to add dynamic content blocks

For each content block in the message editor you can choose the tag or subscription your contacts need to be belong to in order to see that content.

Dynamic content works only with tags and subscriptions, it cannot be based on custom fields.

When dynamic content is applied to a content block you'll see the following notice so you can easy tell apart static content from dynamic elements:

How to test dynamic content

Populate the relevant fields in your own contact record -- that contact record is used for previews. Your contact record is the one associated with your user login.
For example if your user login is associated with and you want to test the merge field for company name then be sure the company field is filled for the record.

Test emails:
Be sure that the contact you send the test message(s) to includes the tag or subscription that is used to control dynamic content.

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