I believe thats in your webconfig settings:

 

<add name="CEHtmlEditorProvider" 
      type="DotNetNuke.HtmlEditor.CEHtmlEditorProvider, DotNetNuke.CEHtmlEditorProvider" 
      providerPath="~\Providers\HtmlEditorProviders\CEHtmlEditorProvider\CuteSoft_Client\CuteEditor\" 
      UseDNNRootImageDirectory="true"
      RemoveServerNamesFromUrl="true"
     UseRelativeLinks="false"
     RenderRichDropDown="true"
     MaxHTMLLength="0"
     MaxTextLength="0"
     CustomCulture=""
     ThemeType="Office2003"
     DisableAutoFormatting="false"
     Disabl......................................................................................

 

No positive as I have not tried it.