> For the complete documentation index, see [llms.txt](https://help.openletterconnect.com/olc-help-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.openletterconnect.com/olc-help-docs/do-not-contact-list-dnc-how-to-upload-and-manage/how-to-upload-a-dnc-file.md).

# How to Upload a DNC File

The **Do Not Contact list** (DNC) allows you to block specific contacts from receiving mail, even if they are included in a campaign or order. Here's how to use it:

{% embed url="<https://www.loom.com/edit/ea2dc965ce564627b2fbd58c746a5942>" %}

#### How to Upload a DNC File

1. Go to the **Import Contacts** section.

   <figure><img src="/files/Xl4AMUDkqrNY2mVe7s4t" alt=""><figcaption></figcaption></figure>
2. Upload your CSV file.

   <figure><img src="/files/oB1MRJXGCNWf4kvHksKi" alt=""><figcaption></figcaption></figure>
3. When uploading, **check the box** for **"Do Not Contact"**.&#x20;

   <figure><img src="/files/cf2YtE4RG3Jrsfn8r7Bl" alt=""><figcaption></figcaption></figure>
4. Click **Import**.

   <figure><img src="/files/NGcPo99lSnMGz1wNpMGH" alt=""><figcaption></figcaption></figure>
5. Once uploaded, those contacts will be removed from your contact list and will be skipped in any future orders.