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docs/develop/develop-overview-experiment.md

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+---
+title: Develop Office Add-ins
+description: An introduction to developing Office Add-ins.
+ms.topic: overview
+ms.date: 05/26/2023
+ms.localizationpriority: high
+---
+
+# Develop Office Add-ins
+
+> [!TIP]
+> Please review [Office Add-ins platform overview](../overview/office-add-ins.md) before reading this article.
+
+All Office Add-ins are built upon the Office Add-ins platform. For any add-in you build, you'll need to understand important concepts like application and platform availability, Office JavaScript API programming patterns, how to specify an add-in's settings and capabilities in the manifest file, how to design the UI and user experience, and more. Core development concepts like these are covered here in the **Development lifecycle** > **Develop** section of the documentation. Review the information here before exploring the application-specific documentation that corresponds to the add-in you're building (for example, [Excel](../excel/index.yml)).
+
+## Create an Office Add-in
+
+You can create an Office Add-in by using the [Yeoman generator for Office Add-ins](yeoman-generator-overview.md), Visual Studio, or Teams Toolkit.
+
+### Yeoman generator
+
+The Yeoman generator for Office Add-ins can be used to create a Node.js Office Add-in project that can be managed with Visual Studio Code or any other editor. The generator can create Office Add-ins for any of the following:
+
+- Excel
+- OneNote
+- Outlook
+- PowerPoint
+- Project
+- Word
+- Excel custom functions
+
+Create your project using HTML, CSS and JavaScript (or TypeScript), or using React. If you choose React, you can choose between JavaScript and Typescript as well. For more information about creating add-ins with the generator, see [Yeoman generator for Office Add-ins](yeoman-generator-overview.md).
+
+### Visual Studio
+
+Visual Studio can be used to create Office Add-ins for Excel, Outlook, Word, and PowerPoint. An Office Add-in project gets created as part of a Visual Studio solution and uses HTML, CSS, and JavaScript. For more information about creating add-ins with Visual Studio, see [Develop Office Add-ins with Visual Studio](../develop/develop-add-ins-visual-studio.md).
+
+[!include[Yeoman vs Visual Studio comparison](../includes/yeoman-generator-recommendation.md)]
+
+### Teams Toolkit
+
+The Teams Toolkit can be used to create almost any kind of Teams App, a term which includes all extensions of Microsoft 365, including those that don't extend the Teams application. For details about creating an add-in, see [Create Office Add-in projects with Teams Toolkit](teams-toolkit-overview.md).
+
+## Understand the two parts of an Office Add-in
+
+An Office Add-in consists of two parts.
+
+- The add-in manifest that defines the settings and capabilities of the add-in.
+
+- The web application that defines the UI and functionality of add-in components such as task panes, content add-ins, and dialog boxes.
+
+The web application uses the Office JavaScript API to interact with content in the Office document where the add-in is running. Your add-in can also do other things that web applications typically do, like call external web services, facilitate user authentication, and more.
+
+### Define an add-in's settings and capabilities
+
+An Office Add-in's manifest defines the settings and capabilities of the add-in. You'll configure the manifest to specify things such as:
+
+- Metadata that describes the add-in (for example, ID, version, description, display name, default locale).
+- Office applications where the add-in will run.
+- Permissions that the add-in requires.
+- How the add-in integrates with Office, including any custom UI that the add-in creates (for example, a custom tab or custom ribbon buttons).
+- Location of images that the add-in uses for branding and command iconography.
+- Dimensions of the add-in (for example, dimensions for content add-ins, requested height for Outlook add-ins).
+- Rules that specify when the add-in activates in the context of a message or appointment (for Outlook add-ins only).
+- Keyboard shortcuts (for Excel only).
+
+For detailed information about the manifest, see [Office Add-ins manifest](add-in-manifests.md).
+
+### Interact with content in an Office document
+
+An Office Add-in can use the Office JavaScript APIs to interact with content in the Office document where the add-in is running.
+
+#### Access the Office JavaScript API library
+
+[!include[information about accessing the Office JS API library](../includes/office-js-access-library.md)]
+
+#### API models
+
+[!include[information about the Office JS API models](../includes/office-js-api-models.md)]
+
+#### API requirement sets
+
+[!include[information about the Office JS API requirement sets](../includes/office-js-requirement-sets.md)]
+
+#### Explore APIs with Script Lab
+
+Script Lab is an add-in that enables you to explore the Office JavaScript API and run code snippets while you're working in an Office program such as Excel or Word. It's available for free via AppSource and is a useful tool to include in your development toolkit as you prototype and verify the functionality you want in your add-in. In Script Lab, you can access a library of built-in samples to quickly try out APIs or even use a sample as the starting point for your own code.
+
+The following one-minute video shows Script Lab in action.
+
+[![Short video that shows Script Lab running in Excel, Word, and PowerPoint.](../images/screenshot-wide-youtube.png 'Script Lab preview video')](https://aka.ms/scriptlabvideo)
+
+For more information about Script Lab, see [Explore Office JavaScript APIs using Script Lab](../overview/explore-with-script-lab.md).
+
+## Extend the Office UI
+
+An Office Add-in can extend the Office UI by using add-in commands and HTML containers such as task panes, content add-ins, or dialog boxes.
+
+- [Add-in commands](../design/add-in-commands.md) can be used to add a custom tab, custom buttons and menus to the default ribbon in Office, or to extend the default context menu that appears when users right-click text in an Office document or an object in Excel. When users select an add-in command, they initiate the task that the add-in command specifies, such as running JavaScript code, opening a task pane, or launching a dialog box.
+
+- HTML containers like [task panes](../design/task-pane-add-ins.md), [content add-ins](../design/content-add-ins.md), and [dialog boxes](../develop/dialog-api-in-office-add-ins.md) can be used to display custom UI and expose additional functionality within an Office application. The content and functionality of each task pane, content add-in, or dialog box derives from a web page that you specify. Those web pages can use the Office JavaScript API to interact with content in the Office document where the add-in is running, and can also do other things that web pages typically do, like call external web services, facilitate user authentication, and more.
+
+The following image shows an add-in command on the ribbon, a task pane to the right of the document, and a dialog box or content add-in over the document.
+
+![Diagram showing add-in commands on the ribbon, a task pane, and a dialog box / content add-in in an Office document.](../images/add-in-ui-elements.png)
+
+For more information about extending the Office UI and designing the add-in's UX, see [Office UI elements for Office Add-ins](../design/interface-elements.md).
+
+## Next steps
+
+This article has outlined the different ways to create Office Add-ins, introduced the ways that an add-in can extend the Office UI, described the API sets, and introduced Script Lab as a valuable tool for exploring Office JavaScript APIs and prototyping add-in functionality. Now that you've explored this introductory information, consider continuing your Office Add-ins journey along the following paths.
+
+### Create an Office Add-in
+
+Discover how Office Add-ins create solutions for content creation, better collaboration with peers, and task automation.
+
+- [Insert AI-generated content into your Word document](https://github.com/OfficeDev/Word-Scenario-based-Add-in-Samples/tree/main/Word-Add-in-AIGC)
+- [Extract contact data from an Excel spreadsheet to easily perform a mail merge](https://github.com/OfficeDev/Excel-Scenario-based-Add-in-Samples/tree/main/Mail-Merge-Sample-Add-in)
+- [Create unique PowerPoint presentations with personalized designs](../powerpoint/shapes.md)
+- [Automatically insert your personalized signature into Outlook messages and meeting invites](https://github.com/OfficeDev/Office-Add-in-samples/tree/main/Samples/outlook-set-signature)
+
+When you're ready to create your own solution, start with a simple "Hello World" add-in with only a manifest, HTML web page, and a logo.
+
+- [Excel "Hello world" add-in](https://github.com/OfficeDev/Office-Add-in-samples/tree/main/Samples/hello-world/excel-hello-world)
+- [Outlook "Hello world" add-in](https://github.com/OfficeDev/Office-Add-in-samples/tree/main/Samples/hello-world/outlook-hello-world)
+- [PowerPoint "Hello world" add-in](https://github.com/OfficeDev/Office-Add-in-samples/tree/main/Samples/hello-world/powerpoint-hello-world)
+- [Word "Hello world" add-in](https://github.com/OfficeDev/Office-Add-in-samples/tree/main/Samples/hello-world/word-hello-world)
+
+### Learn more
+
+Learn more about developing, testing, and publishing Office Add-ins by exploring this documentation.
+
+> [!TIP]
+> For any add-in that you build, you'll use information in the [Development lifecycle](../overview/core-concepts-office-add-ins.md) section of this documentation, along with information in the application-specific section that corresponds to the type of add-in you're building (for example, [Excel](../excel/index.yml)).
+
+## See also
+
+- [Office Add-ins platform overview](../overview/office-add-ins.md)
+- [Learn about the Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Design Office Add-ins](../design/add-in-design.md)
+- [Test and debug Office Add-ins](../testing/test-debug-office-add-ins.md)
+- [Publish Office Add-ins](../publish/publish.md)

docs/excel/excel-add-ins-overview-experiment.md

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+---
+title: Excel add-ins overview
+description: Excel add-in allow you to extend Excel application functionality across multiple platforms including Windows, Mac, iPad, and in a browser.
+ms.date: 03/21/2023
+ms.topic: overview
+ms.custom: scenarios:getting-started
+ms.localizationpriority: high
+---
+
+
+# Excel add-ins overview
+
+An Excel add-in allows you to extend Excel application functionality across multiple platforms including Windows, Mac, iPad, and in a browser. Use Excel add-ins within a workbook to:
+
+- Interact with Excel objects, read and write Excel data.
+- Extend functionality using web based task pane or content pane
+- Add custom ribbon buttons or contextual menu items
+- Add custom functions
+- Provide richer interaction using dialog window
+
+The Office Add-ins platform provides the framework and Office.js JavaScript APIs that enable you to create and run Excel add-ins. By using the Office Add-ins platform to create your Excel add-in, you'll get the following benefits.
+
+- **Cross-platform support**: Excel add-ins run in Office on the web, Windows, Mac, and iPad.
+- **Centralized deployment**: Admins can quickly and easily deploy Excel add-ins to users throughout an organization.
+- **Use of standard web technology**: Create your Excel add-in using familiar web technologies such as HTML, CSS, and JavaScript.
+- **Distribution via AppSource**: Share your Excel add-in with a broad audience by publishing it to [AppSource](https://appsource.microsoft.com/marketplace/apps?product=office&page=1&src=office&corrid=53245fad-fcbe-41f8-9f97-b0840264f97c&omexanonuid=4a0102fb-b31a-4b9f-9bb0-39d4cc6b789d).
+
+> [!NOTE]
+> Excel add-ins are different from COM and VSTO add-ins, which are earlier Office integration solutions that run only in Office on Windows. Unlike COM add-ins, Excel add-ins do not require you to install any code on a user's device, or within Excel.
+
+## Components of an Excel add-in
+
+An Excel add-in includes two basic components: a web application and a configuration file, called a manifest file.
+
+The web application uses the [Office JavaScript API](../reference/javascript-api-for-office.md) to interact with objects in Excel, and can also facilitate interaction with online resources. For example, an add-in can perform any of the following tasks.
+
+- Create, read, update, and delete data in the workbook (worksheets, ranges, tables, charts, named items, and more).
+- Perform user authorization with an online service by using the standard OAuth 2.0 flow.
+- Issue API requests to Microsoft Graph or any other API.
+
+The web application can be hosted on any web server, and can be built using client-side frameworks (such as Angular, React, jQuery) or server-side technologies (such as ASP.NET, Node.js, PHP).
+
+The [manifest](../develop/add-in-manifests.md) is a configuration file that defines how the add-in integrates with Office clients by specifying settings and capabilities such as:
+
+- The URL of the add-in's web application.
+- The add-in's display name, description, ID, version, and default locale.
+- How the add-in integrates with Excel, including any custom UI that the add-in creates (ribbon buttons, context menus, and so on).
+- Permissions that the add-in requires, such as reading and writing to the document.
+
+To enable end users to install and use an Excel add-in, you must publish its manifest either to AppSource or to an add-ins catalog. For details about publishing to AppSource, see [Make your solutions available in AppSource and within Office](/office/dev/store/submit-to-appsource-via-partner-center).
+
+## Capabilities of an Excel add-in
+
+In addition to interacting with the content in the workbook, Excel add-ins can add custom ribbon buttons or menu commands, insert task panes, add custom functions, open dialog boxes, and even embed rich, web-based objects such as charts or interactive visualizations within a worksheet.
+
+### Add-in commands
+
+Add-in commands are UI elements that extend the Excel UI and start actions in your add-in. You can use add-in commands to add a button on the ribbon or an item to a context menu in Excel. When users select an add-in command, they initiate actions such as running JavaScript code, or showing a page of the add-in in a task pane.
+
+![Add-in commands in Excel.](../images/excel-add-in-commands-script-lab.png)
+
+For more information about command capabilities, supported platforms, and best practices for developing add-in commands, see [Add-in commands for Excel, Word, and PowerPoint](../design/add-in-commands.md).
+
+### Task panes
+
+Task panes are interface surfaces that typically appear on the right side of the window within Excel. Task panes give users access to interface controls that run code to modify the Excel document or display data from a data source.
+
+![Task pane add-in in Excel.](../images/excel-add-in-task-pane-insights.png)
+
+For more information about task panes, see [Task panes in Office Add-ins](../design/task-pane-add-ins.md). For a sample that implements a task pane in Excel, see [Excel Add-in JS WoodGrove Expense Trends](https://github.com/OfficeDev/Excel-Add-in-WoodGrove-Expense-Trends).
+
+### Custom functions
+
+Custom functions enable developers to add new functions to Excel by defining those functions in JavaScript as part of an add-in. Users within Excel can access custom functions just as they would any native function in Excel, such as `SUM()`.
+
+![Animated image showing an end user inserting the MYFUNCTION.SPHEREVOLUME custom function into a cell of an Excel worksheet.](../images/SphereVolumeNew.gif)
+
+For more information about custom functions, see [Create custom functions in Excel](custom-functions-overview.md).
+
+### Dialog boxes
+
+Dialog boxes are surfaces that float above the active Excel application window. You can use dialog boxes for tasks such as displaying sign-in pages that can't be opened directly in a task pane, requesting that the user confirm an action, or hosting videos that might be too small if confined to a task pane. To open dialog boxes in your Excel add-in, use the [Dialog API](/javascript/api/office/office.ui).
+
+![Add-in dialog box in Excel.](../images/excel-add-in-dialog-choose-number.png)
+
+For more information about dialog boxes and the Dialog API, see [Use the Dialog API in your Office Add-ins](../develop/dialog-api-in-office-add-ins.md).
+
+### Content add-ins
+
+Content add-ins are surfaces that you can embed directly into Excel documents. You can use content add-ins to embed rich, web-based objects such as charts, data visualizations, or media into a worksheet or to give users access to interface controls that run code to modify the Excel document or display data from a data source. Use content add-ins when you want to embed functionality directly into the document.
+
+![Content add-in in Excel.](../images/excel-add-in-content-map.png)
+
+For more information about content add-ins, see [Content Office Add-ins](../design/content-add-ins.md). For a sample that implements a content add-in in Excel, see [Excel Content Add-in Humongous Insurance](https://github.com/OfficeDev/Excel-Content-Add-in-Humongous-Insurance) in GitHub.
+
+## JavaScript APIs to interact with workbook content
+
+[!include[The roles of the Common and application-specific APIs](../includes/excel-api-models.md)]
+
+## Next steps
+
+Ready to enhance your productivity using Excel add-ins? Discover how to [extract contact data from an Excel spreadsheet to easily perform a mail merge](https://github.com/OfficeDev/Excel-Scenario-based-Add-in-Samples/tree/main/Mail-Merge-Sample-Add-in).
+
+When you're ready to explore creating your own solution, [build your first Excel add-in](../quickstarts/excel-quickstart-jquery.md). Then, learn more about [core concepts](excel-add-ins-core-concepts.md) to further extend the functionality of your add-in.
+
+## See also
+
+- [Office Add-ins platform overview](../overview/office-add-ins.md)
+- [Learn about Microsoft 365 Developer Program](https://developer.microsoft.com/microsoft-365/dev-program)
+- [Developing Office Add-ins](../develop/develop-overview.md)
+- [Excel JavaScript object model in Office Add-ins](excel-add-ins-core-concepts.md)
+- [Excel JavaScript API reference](../reference/overview/excel-add-ins-reference-overview.md)