Good Day, My outlook add-in works perfectly localy, however when I host it on S3 I am getting the following error. Based on some research, it seems that this is a result of a security setting in e...

TL;DR - How do we expire the access token when the user signs out in another tab? Details: In the SSO documentation it says: When to call the method If your add-in cannot be used when no user is l...

I work on an add-in for Microsoft Outlook, and some of our Outlook for Mac users have recently reported that they are unable to view any add-ins in the ribbon if they have the "New Outlook&quo...

I am trying to debug a UI-less button for an add-in for Outlook for Mac. In my code, the UI-less function in function-file.js. This is included in function-file.html, which is set as the FunctionF...

I am trying to develop add-ins for Excel with the Microsoft JS API. I have read the book from Michael Zlatkovsy about building office add-ins using Office.JS. but it is a very steep learning curve ...

I would like to insert a hyperlink to the task pane of my add-in, and I want this link to open support.html page in a default browser. <a href="https://example.com/support.html" target="_blank"...

I'm writing an Office Add-in (formerly, Apps for Office). I'm using office.js and in some point of code I want to check if the app is running in excel (desktop software) or running on the web (Exce...

we are working on creating an excel add-in using office-js API's. We have used delayForCellEdit property when we load data ( which will be called when data is changed in predefiined cell range ). W...

I have a scenario where the user's open PowerPoint presentation needs to be modified by a custom solution. I'm looking at using a PowerPoint web add-in in conjunction with the Graph API's support f...

How do you add a simple image to a specific location on an excel spreadsheet using the new Office.js api?

One of our customers is facing an issue while trying to activate an app created by them. The app is published as free of charge. Location: https://store.office.com/en-001/app.aspx?assetid=WA10437...

I'm currently developing an Add-in using yeoman and generator-office for Outlook to save an email and its attachments to another service. Outlook Version: MS Office Professional Plus 2016 v.16.0.4...

We develop office-js based addin for Excel and we've come to a place where we want to write automated functional tests (preferably with Selenium) for desktop version of Excel on Windows. First issu...

I'm trying to use the Excel Javascript API to create an addin that: Adds multiple buttons on the Home tab. Each of the buttons opens the taskpane to a different screen. Each of these taskpanes r...

I'm working on Office 365 Word Add-in that opens a document. When we open the document via context.application.createDocument(base64string).open(), it launches a new window instead of opening the ...

Steps to reproduce: Click anything inside the task pane content. Move the mouse over the worksheet (do not click anything). Scroll with the mouse wheel over the worksheet. Notice that Excel beco...

We are developping an office Addin with office.js API. A recurrent problem damage our reputation in the store. This problem is that the worksheet in a Excel Addin (office.js) is freezed after scro...

I'd like to build a Microsoft Office 2016 Add-in that could be used off-line (at least after being used online once). I understand that we could cache HTML, js, etc. like a normal browser and I h...

> I am creating and downloading excel file with data that I have gotten in JSON format. Now I want to add status column in last and provide list data validation there with three specified value "re...

We created an Outlook web addin and it is working fine in OWA and in Outlook for Mac. On Outlook for Windows however, the addin only shows a blank page. When attaching a debugger, we get the JavaS...

Is it possible for individual developer account to publish office web add-in to AppSource, like outlook web add-in? By this article or here, it says that individual developer account can publish of...

I am building office addins for Project. It is really weird that even though I am using proper icon names some icons are not showing Followed everything from the official documentation https://...

How can I get filename of newly saved file? Normally, I can get the filename using: Office.context.document.url However, when the user opens a new workbook, it doesn't really have a filename, an...

Microsoft recommends to develop Office add-ins using the new Office.JS Add-ins mainly because of cross-plataforming. We all saw a new player arriving, .NET Core. If Microsoft used .NET Core to cre...

In this doc, it is mentioned that The following features aren't yet supported in the Developer Preview. ... ... Publishing add-ins to the Office Store or Office 365 centralized deploymen...