Skip to main content
Microsoft
Microsoft 365 Platform
Microsoft 365 Platform
  • Home
  • DevBlogs
    • Visual Studio
    • Visual Studio Code
    • Visual Studio for Mac
    • DevOps
    • Developer support
    • CSE Developer
    • Engineering@Microsoft
    • Azure SDK
    • IoT
    • Command Line
    • Perf and Diagnostics
    • Dr. International
    • Notification Hubs
    • Math in Office
    • DirectX
    • PIX
    • SurfaceDuo
    • Startups
    • Sustainable Engineering
    • Windows AI Platform
    • C++
    • C#
    • F#
    • Visual Basic
    • TypeScript
    • PowerShell Community
    • PowerShell Team
    • Python
    • Q#
    • JavaScript
    • Java
    • Java Blog in Chinese
    • .NET
    • .NET MAUI
    • Blazor
    • ASP.NET
    • NuGet
    • Xamarin
    • #ifdef Windows
    • Apps for Windows
    • Azure Depth Platform
    • Azure Government
    • Bing Dev Center
    • Microsoft Edge Dev
    • Microsoft Azure
    • Microsoft 365 Developer
    • Old New Thing
    • Windows MIDI and Music dev
    • Windows Search Platform
    • Azure Cosmos DB
    • Azure Data Studio
    • Azure SQL Database
    • OData
    • Revolutions R
    • SQL Server Data Tools

    Microsoft 365 Developer Blog

    A developer platform for building collaborative apps for hybrid work

    Office Add-ins - Microsoft 365 Developer Blog

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

    Comments are closed.0Office Add-ins
    What’s new in Office Platform at Build 2021
    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.

    Comments are closed.0Office Add-insOffice Scripts
    What’s New for the Microsoft 365 Developer | Build 2021
    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!

    Comments are closed.0Microsoft GraphMicrosoft TeamsMicrosoft Viva
    Understanding the Office Add-ins runtime
    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. 

    Comments are closed.0Office Add-ins
    Office Add-in Development Community (PnP) – November 2020 update
    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.

    Comments are closed.0Office Add-ins
    Letsignit leverages the Outlook Add-ins Platform to manage email signatures
    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 ...

    Comments are closed.0Office Add-ins
    Office Add-in Development Community (PnP) – October 2020 update
    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.

    Comments are closed.0Office Add-ins
    Mailbox 1.9 JavaScript API is Generally Available
    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.

    Comments are closed.0Office Add-ins
    Announcing WebView2 for Office Add-ins Platform – Preview
    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.

    Comments are closed.0Office Add-ins
    Updated content recommendations on your Microsoft 365 Developer Program dashboard
    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.

    Comments are closed.0Microsoft GraphMicrosoft TeamsOffice Add-ins
    • Page 1
    • Page 2
    • Next page
    Topics
  • Microsoft Graph
  • Office Add-ins
  • Microsoft Teams
  • SharePoint Framework
  • Microsoft 365 Developer
  • Microsoft identity platform
  • Microsoft Viva
  • Power Platform
  • Adaptive Cards
  • Office Scripts
  • Fluid Framework
  • SharePoint
  • Explore Microsoft 365 Platform Learning Paths

    Learn new skills to develop on the Microsoft 365 platform. Explore our learning paths.

    Image Microsoft Learn hero image

    Get started ->

    Join the Microsoft 365 Developer Program today!

    Get a free sandbox, tools, and other resources you need to build solutions for the Microsoft 365 platform.

    Image Microsoft Graph hero

    Join now ->

    Stay informed

    Login
    Code Block
    What's new
    • Surface Pro 8
    • Surface Laptop Studio
    • Surface Pro X
    • Surface Go 3
    • Surface Duo 2
    • Surface Pro 7+
    • Windows 11 apps
    • HoloLens 2
    Microsoft Store
    • Account profile
    • Download Center
    • Microsoft Store support
    • Returns
    • Order tracking
    • Virtual workshops and training
    • Microsoft Store Promise
    • Flexible Payments
    Education
    • Microsoft in education
    • Devices for education
    • Microsoft Teams for Education
    • Microsoft 365 Education
    • Education consultation appointment
    • Educator training and development
    • Deals for students and parents
    • Azure for students
    Business
    • Microsoft Cloud
    • Microsoft Security
    • Azure
    • Dynamics 365
    • Microsoft 365
    • Microsoft Advertising
    • Microsoft Industry
    • Microsoft Teams
    Developer & IT
    • Developer Center
    • Documentation
    • Microsoft Learn
    • Microsoft Tech Community
    • Azure Marketplace
    • AppSource
    • Microsoft Power Platform
    • Visual Studio
    Company
    • Careers
    • About Microsoft
    • Company news
    • Privacy at Microsoft
    • Investors
    • Diversity and inclusion
    • Accessibility
    • Security
    English (United States)
    • Sitemap
    • Contact Microsoft
    • Privacy
    • Manage cookies
    • Terms of use
    • Trademarks
    • Safety & eco
    • About our ads
    • © Microsoft 2022