---
title: "Importing Custom Lists"
canonical: "https://docs.infoblox.com/space/BloxOneThreatDefense/35403798/Importing%20Custom%20Lists"
format: markdown
---
<span style="color: #000000">You can import a list of domains by uploading a CSV file. Ensure that you use </span>**<span style="color: #000000">domain</span>**<span style="color: #000000"> as the header in the CSV file.</span>

<span style="color: #000000">To import a CSV file, complete the following:</span>

1. <span style="color: #000000">On the</span><span style="color: #000000"> </span>*<span style="color: #000000">Custom Lists</span>*<span style="color: #000000"> </span><span style="color: #000000">page, click</span><span style="color: #000000"> </span>**<span style="color: #000000">Import</span>**<span style="color: #000000"> </span><span style="color: #000000">at the top Action bar.</span>
2. <span style="color: #000000">To import a new list, select the</span><span style="color: #000000"> </span>**<span style="color: #000000">Import New List</span>****<span style="color: #000000"> </span>**<span style="color: #000000">radial button.</span>
3. <span style="color: #000000">To import a custom list, </span>**<span style="color: #000000"> </span>**<span style="color: #000000">enter</span><span style="color: #000000"> a name for your custom list (</span>**<span style="color: #000000">List Name</span>**<span style="color: #000000">). This is a required field. Ensure that you use a unique name for each list. Save your list in comma separated values (.csv) format. </span>

<span style="color: #000000">To download a sample CSV file, click on the sample_custom_list_import.csv file, below. </span>



<span style="color: #000000">4. To import your list, you can either drag the CSV file into the “Drag file here” space or click</span><span style="color: #000000"> </span>**<span style="color: #000000">Select file</span>**<span style="color: #000000"> </span><span style="color: #000000">and navigate to the file to upload it. Note that you must include the required field</span><span style="color: #000000"> </span>**<span style="color: #000000">domain</span>**<span style="color: #000000"> </span><span style="color: #000000">in the header of the file to ensure a successful import. </span>  
5. Click<span style="color: #000000"> </span><span style="color: #000000">**Import**</span><span style="color: #000000"> </span><span style="color: #000000">to import the file.</span>

To apply customer-defined threat levels to your custom list, see [<span style="color: #000000">*Customer-Defined Threat Level and Confidence Score for Custom and Threat Insight Lists*</span>](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneThreatDefense/pages/35377222)<span style="color: #000000">.</span>

<span style="color: #000000">To view information on custom lists, see the following:</span>

- [*Viewing Custom Lists*](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneThreatDefense/pages/35403751)
- [*Creating Custom Lists*](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneThreatDefense/pages/35469424)
- [*Editing Custom Lists*](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneThreatDefense/pages/35469450)
- [*Removing Custom Lists*](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneThreatDefense/pages/35436187)
- [*Updating an Imported Custom List*](https://infoblox-docs.atlassian.net/wiki/spaces/BloxOneThreatDefense/pages/35469484)