Hide Unwanted Activities from Activities view Dropdown in MSCRM2011/ MSCRM2013 /MSCRM2015 using javascript

Create a JavaScript web resource with following functions.

 

function AttachHideEvent()

{

    document.getElementById("crmGrid_SavedNewQuerySelector").setAttribute('onclick','HideItems();');

 

    $( "#crmGrid_SavedNewQuerySelector" ).mouseout(function() { HideItems(); });

 

}

 

function HideItems()

{

    if(document.getElementById("ViewSelector_fax") !=null)

    {

        //fax

        document.getElementById("ViewSelector_fax").style.visibility = "hidden";

        document.getElementById("ViewSelector_fax").style.height="0px";

        document.getElementById("ViewSelector_fax").style.float="left";

        //Letter

        document.getElementById("ViewSelector_letter").style.visibility = "hidden";

        document.getElementById("ViewSelector_letter").style.height="0px";

        document.getElementById("ViewSelector_letter").style.float="left";

    }

}

 

 

Then add a enable rule to first button on activities homepage ribbon and call this function with default value = true/ function name= AttachHideEvent/ webresource=web resource created.

 

In 2^nd function add activities you want to hide from dropdown.