How to create Office Add-ins for cross platform

This short article shows how to create Office Add-ins not in C# but in JavaScript.

1.                Left click on “New Project… (button)” in Start Page.



2.      Left click on “OK (text)” in “New Project”



3.      Left click on “Choose the add-in type (text)” in “Create Office Add-in”


4.      Choose Task pane, click on “Next > (button)” in “Create Office Add-in”



5.     Unchecked everything and left Excel,  click on “Finish (button)” in “Create Office Add-in”


6.      Click Start to Run the project.


7.      Excel will be launched and Type Hello World in Cell A1.

8.      Click Get data from selection in Task Pane.


The main JavaScript Home.js is in the Home folder under the AddIn folder. You can find in inside Solution Explorer.

// Reads data from current document selection and displays a notification

function getDataFromSelection() {


        function (result) {

            if (result.status === Office.AsyncResultStatus.Succeeded) {

                app.showNotification(‘The selected text is:’, ‘”‘ + result.value + ‘”‘);

            } else {

                app.showNotification(‘Error:’, result.error.message);





About chanmingman

Since March 2011 Microsoft Live Spaces migrated to Wordpress ( till now, I have is over 1 million viewers. This blog is about more than 50% telling you how to resolve error messages, especial for Microsoft products. The blog also has a lot of guidance teaching you how to get stated certain Microsoft technologies. The blog also uses as a help to keep my memory. The blog is never meant to give people consulting services or silver bullet solutions. It is a contribution to the community. Thanks for your support over the years. Ming Man is Microsoft MVP since year 2006. He is a software development manager for a multinational company. With 25 years of experience in the IT field, he has developed system using Clipper, COBOL, VB5, VB6, VB.NET, Java and C #. He has been using Visual Studio (.NET) since the Beta back in year 2000. He and the team have developed many projects using .NET platform such as SCM, and HR based applications. He is familiar with the N-Tier design of business application and is also an expert with database experience in MS SQL, Oracle and AS 400.
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