# Overview

The Backoffice is one of the core components of Umbraco CMS. It’s where content creators perform their daily work, and where projects are managed overall.

{% hint style="info" %}
Are you looking to **extend and customize the Umbraco CMS**?

Resources are available in the [Extending](/umbraco-cms/extending/build-on-umbraco-functionality.md) section for when you are looking to extend Umbraco functionality beyond the backoffice.
{% endhint %}

In this section, you will find all the resources you need to customize or build an intuitive and fluid editor experience for your content editors.

## General Resources

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Extensions Overview</strong></td><td>Explore the options for bringing your own piece into the platform.</td><td><a href="/pages/cDsuqwJdCBf4IZ3a0WYI">/pages/cDsuqwJdCBf4IZ3a0WYI</a></td><td><a href="/files/PAoaMMfldroLBaQW8gE8">/files/PAoaMMfldroLBaQW8gE8</a></td></tr><tr><td><strong>Foundation</strong></td><td>Learn about the Core features of the Backoffice, how to integrate, and make a reactive UI.</td><td><a href="/pages/lvhtaQxDwxDaZXE6VHzP">/pages/lvhtaQxDwxDaZXE6VHzP</a></td><td><a href="/files/PAoaMMfldroLBaQW8gE8">/files/PAoaMMfldroLBaQW8gE8</a></td></tr><tr><td><p><strong>Backoffice UI API</strong></p><p>See the modules export, interfaces, hierarchy, code examples, and much more.</p></td><td></td><td><a href="https://apidocs.umbraco.com/v17/ui-api/index.html">https://apidocs.umbraco.com/v17/ui-api/index.html</a></td><td><a href="/files/4PMlXQnQcmrDtQwY8gEm">/files/4PMlXQnQcmrDtQwY8gEm</a></td></tr><tr><td><strong>Examples &#x26; Playground</strong></td><td>Experience fully working customizations. This is also the place for you to get hands-on experience.</td><td><a href="/pages/JybIfAralCVyhkLBe2Ht">/pages/JybIfAralCVyhkLBe2Ht</a></td><td><a href="/files/nr8UflPIDcAp1QxzfwZT">/files/nr8UflPIDcAp1QxzfwZT</a></td></tr></tbody></table>

## Get started with a tutorial

<table data-card-size="large" data-view="cards"><thead><tr><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Create a UI Extension</strong></td><td>Use this tutorial on how to extend the backoffice using a basic customization.</td><td><a href="/pages/JPW6Pdl03g6hbZX6ljlr">/pages/JPW6Pdl03g6hbZX6ljlr</a></td><td><a href="/files/Op4SEBH10lSWRpiL2YFF">/files/Op4SEBH10lSWRpiL2YFF</a></td></tr><tr><td><strong>Create a dashboard</strong></td><td>Display an overview of the needs of your Content Editors.</td><td><a href="/pages/DUshEpuacuvRltPtkl4R">/pages/DUshEpuacuvRltPtkl4R</a></td><td><a href="/files/4IgYxCogSDvKWekqc2sj">/files/4IgYxCogSDvKWekqc2sj</a></td></tr><tr><td><strong>Create a Property Editor</strong></td><td>Build a custom editor for the needs of your Content Editors.</td><td><a href="/pages/7tghloEzblKHA7JrncXf">/pages/7tghloEzblKHA7JrncXf</a></td><td><a href="/files/yqC0quU5Hl5B06DiZ7kj">/files/yqC0quU5Hl5B06DiZ7kj</a></td></tr></tbody></table>

***

Umbraco HQ offers a training course covering extending and customizing the Umbraco Backoffice to enhance the editing experience. The course targets frontend and backend developers familiar with Umbraco who want to extend the UI for editors.

[Explore Extending the Backoffice Training Course](https://umbraco.com/training/course-details/extending-the-backoffice/) to learn more about the topics covered and how it can enhance your Umbraco development skills.


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