---
type: help
title: "What are the acceptable file types for mailing lists?"
description: "Your mailing list needs to be in a format we can read and process. We accept the following file types: Format Description .xls Excel spreadsheet (recommend"
resource: https://www.4over4.com/help/direct-mail-services/what-are-the-acceptable-file-types-for-mailing-lists
tags: ["Products", "help"]
timestamp: 2026-07-20T18:54:40.856Z
---

# What are the acceptable file types for mailing lists?

Your mailing list needs to be in a format we can read and process. We accept the following file types: Format Description .xls Excel spreadsheet (recommend

Part of the **Products** hub. See [all help concepts](index.md).

- Page type: help
- Hub: Products
- URL: https://www.4over4.com/help/direct-mail-services/what-are-the-acceptable-file-types-for-mailing-lists