# Editing an existing data model
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**To edit an existing model**

1. To begin making changes to an existing model, open the model in the modeler page.

1. In the resource selector panel, you will see the list of **Tables** and **Global Secondary Indexes**.

1. To edit a **Table** or a **Global Secondary Index**, first click its name in the resource selector panel, and then use the action icons at the top. Available actions are **Delete**, **Duplicate**, and **Edit**.

1. If you want to edit **Model details**, click the three-dot icon next to the model name.

1. From there, you can click **Edit model details** and edit the information accordingly.

1. You can also **Duplicate**, **Move**, **Delete**, and **Export** the model from the same menu.

1. To change to another model, you can either go through the main screen again, or use the model selection dropdown.