found the solution in Context Menu section of the developer's guide.
/CuteEditor/Configuration/ContextMenuMode folder
<?xml version="1.0" encoding="utf-8" ?>
<configuration>
<!--definition see shared/common.config-->
<contextmenus>
<ref name="Undo" />
<spliter />
<ref name="Cut" />
<ref name="Copy" />
<ref name="Paste" />
<ref name="Delete" />
<spliter />
<ref name="SelectAll" />
<ref name="EditGroup" />
<ref name="FormattingGroup" />
<ref name="InsertGroup" />
<special type="tags"/>
<special type="verbs"/>
<special type="relative"/>
<special type="style" />
<special type="property" />
</contextmenus>
</configuration>