> For the complete documentation index, see [llms.txt](https://docs.yaycommerce.com/yaymail/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yaycommerce.com/yaymail/how-it-works.md).
# Overview
We’re excited to unveil the redesigned interface of YayMail version 4.0 — built to make your email customization experience smoother and more intuitive than ever!
At the top navigation bar, you’ll now find quick access to key features:
**Email Templates** – Browse and edit all the default and custom WooCommerce email templates.
**Global Header & Footer (New)** – Manage and edit branding elements like your logo, social media links, header, and footer that apply across all templates.
**Settings** – Allows you to manage Synced patterns, Global Variables, Attachment, Export/Import templates, Migrate data between YayMail versions and Backups.
**Addons** – Discover powerful extensions to supercharge your emails.
**Preview Email** – Instantly see what your emails will look like before sending.
**Documentation & Support** – Get help and guidance right when you need it.
Explore the modernized layout and enjoy a more efficient email building workflow with YayMail 4.0
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