> For the complete documentation index, see [llms.txt](https://docs.bird.com/taxi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bird.com/taxi/email-design-systems/custom-email-design-systems/updating-an-existing-custom-email-design-system.md).

# Updating an existing custom Email Design System

In Taxi, you can update an existing Email Design System by uploading or pasting new HTML.

To do this:

1. Head to the Email Design Systems tab
2. Select the Email Design System you want to update
3. Select the Actions dropdown and select Upload/Paste New HTML\
   If you do not see this option you will need to contact your account admin to give you permissions<br>

   ![](https://2516523503-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FMq0EQG9Ff46ZMsrIBcVn%2Fuploads%2Fgit-blob-6373e5a54fde4fdfa2ac462b99deaa5dcd7a6039%2FScreenshot%2B2022-06-16%2Bat%2B12.11.48.png?alt=media)

4\. On the next page if you were not the last person to upload this Email Design System you will see a message telling you who it was last uploaded by

![](https://2516523503-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FMq0EQG9Ff46ZMsrIBcVn%2Fuploads%2Fgit-blob-c5658c933e76cc3fee52a7a18dd437a1486924d5%2FScreenshot%2B2020-10-13%2Bat%2B14.28.59.png?alt=media)

5\. Select the Upload a file or Paste HTML tab and select 'Update HTML'

6\. Before confirming you will see any changes since last revision. This will show:

* The names and labels of any modulezones, modules, editables and fields which are in the new upload that were not in the existing template
* The names and labels of any modulezones, modules, editables and fields which are not in the new upload that were in the existing template
* A summary text for any modulezones, modules, editables and fields which either are added or removed from the new upload that were in the existing template

![](https://2516523503-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FMq0EQG9Ff46ZMsrIBcVn%2Fuploads%2Fgit-blob-e95810f76d0392cc158f916696c8512ebdb5c646%2FScreenshot%2B2020-11-17%2Bat%2B14.08.33.png?alt=media)

* If a field was deleted that was default version content

![](https://.jpg)