Office Add-ins

Action required: Update your Office add-in dialog for cross-domain communication

August 27, 2021 Aug 27, 2021 08/27/21

Ricky K

We have recently implemented a security update to the Office add-in Dialog API that affects cross-domain communication between the dialog and the parent page.

What’s new in Office Platform at Build 2021

May 26, 2021 May 26, 2021 05/26/21

Microsoft Office team

Take a tour of the new features for Excel and Outlook that will will help you bring your business solutions more seamlessly into Office.

What’s New for the Microsoft 365 Developer | Build 2021

May 25, 2021 May 25, 2021 05/25/21

Microsoft Office team

It's Microsoft Build 2021! This year, we have an exciting set of new features and announcements from across the entire canvas of Microsoft 365 that we’re thrilled to share with you!

Understanding the Office Add-ins runtime

May 5, 2021 May 5, 2021 05/5/21

Microsoft Office team

Learn about the latest changes in Office's use of web runtimes as well as the runtimes that we've used on various platforms in the past.

Office Add-in Development Community (PnP) – November 2020 update

December 11, 2020 Dec 11, 2020 12/11/20

Microsoft Office team

We've published a new Office Add-ins PnP sample showing how to set up a basic Excel add-in project that utilizes keyboard shortcuts.

Letsignit leverages the Outlook Add-ins Platform to manage email signatures

December 4, 2020 Dec 4, 2020 12/4/20

Microsoft Office team

Today we'd like to introduce you to Sébastien Telouk who is the Vice President of Sales at Letsignit, an email signature management solution for Microsoft 365. He sat down with us to chat about how Letsignit has leveraged the power of Outlook Add-ins to bring their email signature management system to life. Tell us about Letsignit ...

Office Add-in Development Community (PnP) – October 2020 update

November 13, 2020 Nov 13, 2020 11/13/20

Microsoft Office team

Office Add-ins Patterns and Practices gives updates on extending your SaaS web application so that your customers can open their data from a web page directly to Microsoft Excel.

Mailbox 1.9 JavaScript API is Generally Available

October 26, 2020 Oct 26, 2020 10/26/20

Microsoft Office team

Mailbox 1.9 JavaScript API is now generally available. Mailbox 1.9 JavaScript API enables you to add an append-on-send feature in the Mailbox 1.9 API, ensuring a disclaimer or text that needed to be in the message is included. By using plain text, or even HTML, you can programmatically ensure your message is ready for sending.

Announcing WebView2 for Office Add-ins Platform – Preview

August 12, 2020 Aug 12, 2020 08/12/20

Microsoft Office team

We're excited to announce that we're taking the next steps in evolving the web viewer control used by the Office Add-ins platform for add-ins running on Windows.

Updated content recommendations on your Microsoft 365 Developer Program dashboard

July 8, 2020 Jul 8, 2020 07/8/20

Microsoft Office team

We’ve made the content in the Microsoft 365 Developer Program dashboard better. By combining data science with your selected preferences, we’ve updated the dashboard to help you get started quickly with your preferred products and technologies.

Microsoft 365 Developer Blog

Office Add-ins - Microsoft 365 Developer Blog

Action required: Update your Office add-in dialog for cross-domain communication

What’s new in Office Platform at Build 2021

What’s New for the Microsoft 365 Developer | Build 2021

Understanding the Office Add-ins runtime

Office Add-in Development Community (PnP) – November 2020 update

Letsignit leverages the Outlook Add-ins Platform to manage email signatures

Office Add-in Development Community (PnP) – October 2020 update

Mailbox 1.9 JavaScript API is Generally Available

Announcing WebView2 for Office Add-ins Platform – Preview

Updated content recommendations on your Microsoft 365 Developer Program dashboard

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