SharePoint Designer was giving me a popup to tell me I could edit the page in advanced mode. This has stopped happening and now I just get a page with yellow background.

How can I edit the page layout in advanced mode?

2 Answers 2


Have a look in the ribbon and click Advanced Mode.

More info in this article - http://blogs.microsoft.co.il/blogs/cizi/archive/2010/08/15/editing-page-in-sharepoint-designer-2010-with-yellow-marked-code-advance-mode.aspx

In answer to @Havoc

If advanced mode not available it may be due to a setting in Central Admin From this link

Central Administration

Use the SharePoint Designer Settings page in Central Administration to manage SharePoint Designer at the web application level, which includes all site collections in the web application. These settings apply to site collection administrators and all users of the web application.

Enable Detaching Pages from the Site Definition

Enables or disables the ability to detach pages from the site definition. If unchecked, SharePoint Designer only allows you to edit pages in normal mode. The Edit File in Advanced Mode is disabled. Note This setting does not apply to pages that have already been detached as well as new blank ASPX or HTML pages created by the user.

  • What happens if "Advanced Mode" is grayed out?
    – Humble Val
    Commented Aug 13, 2015 at 0:38

To elaborate Paul Rowland's solution 1. Open https://youraccount.sharepoint.com/_layouts/15/SharePointDesignerSettings.aspx enter image description here

  1. Then turn on [Enable Detaching Pages from the Site Definition] as above picture shows.

  2. Then open your team site: like


  1. Open sharepoint designer settingsenter image description here

  2. Then repeat turning on

    -Enable SharePoint Designer -Enable Detaching Pages from the Site Definition enter image description here

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