Binding.bindingDataChanged event

Occurs when data within the binding is changed.

Hosts: Access, Excel, Word
Last changed in BindingEvents 1.1


To add an event handler for the BindingDataChanged event of a binding, use the addHandlerAsync method of the Binding object. The event handler receives an argument of type BindingDataChangedEventArgs.


function addEventHandlerToBinding() {"bindings#MyBinding").addHandlerAsync(Office.EventType.BindingDataChanged, onBindingDataChanged);

function onBindingDataChanged(eventArgs) {
    write("Data has changed in binding: " +;

// Function that writes to a div with id='message' on the page.
function write(message){
    document.getElementById('message').innerText += message; 

Support details

A capital Y in the following matrix indicates that this method is supported in the corresponding Office host application. An empty cell indicates that the Office host application doesn't support this method.

For more information about Office host application and server requirements, see Requirements for running Office Add-ins.

Supported hosts, by platform

Office for Windows desktop Office Online (in browser) Office for iPad
Access Y
Excel Y Y Y
Word Y Y Y
Available in requirement sets BindingEvents
Add-in types Content, task pane
Library Office.js
Namespace Office

Support history

Version Changes
1.1 Added support for Excel and Word in Office for iPad.
1.1 Added support for this event in add-ins for Access.
1.0 Introduced