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Office Add-ins community call – April 10, 2019

The Office Add-ins community call is our monthly event for developers to connect in real-time with the folks who are building the Office Add-ins platform and JavaScript APIs. During this call, we share updates about new Office JavaScript APIs and provide tips about useful tools, samples, and resources for developing Office Add-ins.

April’s call featured the following presenters and topics:

  • Doug Mahugh, Senior Dev Writer, presented an overview of the Office Add-ins
  • Raymond Lu, Senior Program Manager, covered what’s new in the Excel JavaScript APIs, including new worksheet events onSingleClicked, onRowHiddenChanged, and onRowSorted.
  • Sudheer Maremanda, Senior Program Manager, discussed plans to implement the Edge WebView control for Office Add-ins and provided guidance about implications of this upcoming change for add-in developers.
  • Keyur Patel, Senior Program Manager, discussed the COM:Web add-in bridge feature and how Excel custom functions can be saved in a compatible format as XLL UDFs.

Watch the call here.

View the presentation here.

The next Office Add-ins community call is on Wednesday, May 8, 2019 at 8:00AM PST. You can download a recurring calendar invite at https://aka.ms/officeaddinscommunitycall.

Engage with us

Are you interested in delivering a presentation during an upcoming Office Add-ins community call? Or would you be willing to provide feedback aimed at helping to improve the Office Add-ins documentation? If you answered yes to either (or both!) of these questions, please connect with us by completing this short survey form.


We welcome you to submit questions and topic suggestions in advance of each call by using our short survey form. Here’s the Q&A for questions that were submitted for February’s call:

Any update about the timeline for general availability (GA) for SSO for Outlook and Word?

There’s no specific timeline we can share at this time, but we’ll announce broadly as soon as this information is available.

When will the new Edge control be available for Add-ins for the Microsoft Project Professional Insider Build?

There’s no specific timeline we can share at this time, but we’ll announce broadly as soon as this information is available.

How does .NET Core 3.0 impact the Office Add-ins platform, if at all?

.NET Core 3.0 does not impact the Office Add-ins platform.

The EWS request bug in Outlook for Mac 16.23 has completely broken our add-in. Can we get confirmation that this is fixed in 16.24 and a date for when that version will be released?

This issue is fixed in version 16.24. Version release dates are available here. Outlook updates for Mac usually occur by the second week of each month. In the meantime, the GitHub issue is still open; please do reach out to us there if you need any further assistance.

Is there any update on the onSend feature for Outlook?

OnSend should be available in Preview (Insiders) by end of Q2 for all platforms (Windows, Mac and OWA-New). It may be available on Windows a little sooner though.

Why we can’t get the Item Id, in Outlook in compose mode when editing an existing appointment without doing save draft? Will this scenario ever be supported?

We are building an API that will let you retrieve the itemId of a mail/meeting without calling saveAsync. This is currently under development and we are targeting availability in Preview by early Q3.

I came to know that the Office.js team was working on exposing change events for meeting subject, date, attendees etc. When will these features be available generally available (GA)?

The list of supported event types for Outlook is mentioned here in the docs. This is currently in Preview for all platforms and we anticipate making it generally available (GA) fairly soon.

Add-in support for shared mailboxes/folders is currently in preview. What will the add-in manifest look like in production? The reason for this question is that we were told to use VersionOverrides 1.1 to enable the feature in preview, but it seems more appropriate to use VersionOverrides 1.2 instead.

You will need to use VersionOverrides 1.1 to enable the feature. Setting the element supportsSharedFolders to true will make the add-in available on shared folders.

Will add-in support for shared mailboxes/folders be limited in some way compared to regular mailboxes?

If the add-in manifest specifies supportsSharedFolders as true and the user is running the updated version of Outlook, then the add-in will be available on shared folders. The delegate’s permission levels would determine the add-in’s capabilities. For example, if a delegate does not have write permissions, then the add-in cannot perform a write operation on the shared folder.

Will add-in support for shared mailboxes/folders be available in the New Outlook (web) too? Currently we only see it in the Old Outlook (web) and in the desktop version.

Yes, we are targeting Preview (Insiders) release by early Q3 on all platforms (Windows, Mac and OWA-New).

What is the timeline for releasing add-in support for shared mailboxes/folders in production?

We are targeting Preview (Insiders) release by early Q3 on all platforms (Windows, Mac and OWA-New).

All online documentation examples for the OnSend event are showing parameter FunctionExecution=”synchronous” in the add-in manifest file. Are there any other valid values for the FunctionExecution parameter and if so, what do the various values mean?

Currently, we only support synchronous event handling for onSend; there are no other valid values for FunctionExecution. If/when additional values are supported, the documentation will be updated to indicate such.

The React FabricUI components are great and there are plenty of examples of how to use them independently. Are there any plans to provide examples of how to place multiple controls on a single web page for a simple task pane application? For example, 2 buttons and a couple of checkboxes.

Thanks for the feedback! We’ll likely be publishing some code samples like this in the future, although we can’t provide a specific timeline at this point.


From April’s call

Office Add-ins community call

Office Add-ins feedback