Default Activity ‘Next 30 days or earlier’ to ‘All’ Dynamics CRM 2016

here is the javascript code to change the default filter of Account or Contact - Activities Filter to "All"

Default Activity ‘Filter on’ to ‘All’ Dynamics CRM 2016

Create a web resource on Account or Contact entity

Call below function on onLoad of Account or Contact entity.

function filterAllActivities() 

{

    parent.window.document.getElementById("navActivities").onclick = function () 

    {

           parent.window.Mscrm.Details.loadArea(this, "areaActivities");

           parent.window.document.getElementById("areaActivitiesFrame").onload = function () 

           {

               var entityName = Xrm.Page.data.entity.getEntityName();

              var entity = entityName.charAt(0).toUpperCase() + entityName.substr(1);

               var doc = this.contentWindow.document;

               var filterOn = doc.getElementById("crmGrid_" + entity + "_ActivityPointers_datefilter");

    

               filterOn.value = "All";

    

            var evt = document.createEvent("HTMLEvents");

            evt.initEvent("change", false, true);

            filterOn.dispatchEvent(evt); 

         };

    };

}