User property disableMru = true; You can refer below code       selectProjectLayout: () => {         var lookupOptions = {}; var _projectLayoutName = null; var customFilter = ‘<filter type=”and”>’ + ‘<condition attribute=”cf_project” operator=”eq” value=”‘ + Operations.selectedProjectId + ‘”/>’ + ‘</filter>’; lookupOptions.allowMultiSelect = false; lookupOptions.defaultEntityType = “cf_tcmaplayout”; lookupOptions.entityTypes = [“cf_tcmaplayout”];         lookupOptions.disableMru = true;// … Continue reading Hide Recent Items from Dynamics 365 CRM Lookup form using Xrm.Utility.lookupObjects through JavaScript →