• build smarter apps with Excel

    Build powerful applications for Excel

    Extend Excel functionality and access Excel data over the web.

  • Bring your Office 365 solution to market

    Bring your Office 365 solution to market

    Use the GTM Guide for ISVs to help maximize your reach and engage more users.

Extend Excel functionality with Office web add-ins
Access Excel data with Microsoft Graph
Add your own custom functions to Excel in addition to the built-in functions, such as SUM().
Record, edit, and create Office Scripts in Excel for the web to automate tasks.
Symbisa transforms supply chain analytics by connecting real world data with Excel.

What's new in Excel development

  • Office Add-ins community call – March 11, 2020

    March’s Office Add-ins community call, covers new features for task pane, enabling or disabling ribbon buttons. Item send event for Outlook ...

    VIEW BLOG
  • excel-shared-runtime-scenario

    This sample shows how to create contextual ribbon buttons that are enabled based on the state of your add-in. It also shows how to use the O...

    VIEW CODE SAMPLE
  • VSTO-shared-code-migration

    Visual Studio Tools for Office (VSTO) add-ins can only run in Office on Windows. By migrating your code to an Office web add-in, you can exp...

    VIEW CODE SAMPLE
  • Office Add-ins community call-March 2020

    Hosted by David Chesnut, the agenda for March includes the following topics: -New runtime options for your add-in​ by Jeremy Yoo, Sr. Progra...

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Excel developer training and events

  • Office Add-ins developer community call - month

    Community call

    June 10, 2020

    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 Jav...

    VIEW EVENT
  • Office Add-ins developer community call - May

    Community call

    May 13, 2020

    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 Jav...

    VIEW EVENT
  • Office Add-ins developer community call - April

    Community call

    April 08, 2020

    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 Jav...

    VIEW EVENT
  • Build UWP apps with Microsoft Graph

    Work with the Microsoft Graph SDK to access data in Office 365 by building native Universal Windows Platform (UWP) applications.

    VIEW TRAINING
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Excel partner solutions

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Lucid Software

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Frontline Systems

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Sage Intelligence