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Override maximum character limit in Marketing Cloud

Knowledge Article Number 000220898
Override the Marketing Cloud's maximum character limit of 4000 using these steps:

Override using Data Extension Fields

When creating the Field, remove any information within the "Length" field. This property can also be edited after the field has been created. This will force the field to default to VARCHAR(MAX), allowing you to store more than 4000 characters.

Override using Profile Attributes

Name the Profile Attribute with a prefix of "HTML__" (there are two underscores). For example: "HTML__Body." This will force the system to accept more than 4000 characters within the Attribute.

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