# Allors Excel documentation > Documentation for developers who build Excel add-ins with Allors Excel, and for its maintainers. Exported from the same content as the website. Documented version: main · 1.1 (unreleased). Use documentation from the relevant checkout when working on another branch or version. The links below point to Markdown exports. Audience, kind and status describe each page independently. This index follows the llms.txt discovery proposal; repository instructions remain in AGENTS.md. ## Users and maintainers - [Documentation](https://docs.allors.com/excel/index.md): Documentation for developers who build Excel add-ins with Allors Excel, and for its maintainers. Audience: Users and maintainers; Kind: Index; Status: Current; Version: main · 1.1 (unreleased). - [Terminology](https://docs.allors.com/excel/terminology.md): Agreed names for the add-in, the program, the virtual workbook, flushing and the implementations. Audience: Users and maintainers; Kind: Reference; Status: Current; Version: main · 1.1 (unreleased). ## Users - [API reference](https://docs.allors.com/excel/api.md): Every public type and member of Allors.Excel, and what the headless and interop implementations do with it. Audience: Users; Kind: Reference; Status: Current; Version: main · 1.1 (unreleased). - [Bind cells to your model](https://docs.allors.com/excel/bind-cells.md): Use Binder and Binding to push model values into cells and to take edits back, with a style for changed cells. Audience: Users; Kind: How-to guide; Status: Current; Version: main · 1.1 (unreleased). - [Build an Excel add-in](https://docs.allors.com/excel/build-an-add-in.md): Host a program in Excel with Excel-DNA or VSTO, wire the ribbon, track only your own workbooks, and test the program headless. Audience: Users; Kind: How-to guide; Status: Current; Version: main · 1.1 (unreleased). - [Getting started](https://docs.allors.com/excel/getting-started.md): Write a program that fills a worksheet, run it against the headless workbook without Excel, and read the result back. Audience: Users; Kind: Tutorial; Status: Current; Version: main · 1.1 (unreleased). - [Packages and versions](https://docs.allors.com/excel/packages.md): The NuGet packages, their target frameworks and dependencies, the published versions and how they differ from main, versioning and the licence. Audience: Users; Kind: Reference; Status: Current; Version: main · 1.1 (unreleased). - [How the virtual workbook works](https://docs.allors.com/excel/virtual-workbook.md): The abstractions, the two implementations, the program's lifecycle, dirty tracking and Flush, and how changes made in Excel come back. Audience: Users; Kind: Explanation; Status: Current; Version: main · 1.1 (unreleased). ## Maintainers - [Architecture](https://docs.allors.com/excel/internals/architecture.md): The projects and their references, the interop render pipeline, the headless implementation, the shared tests and the Excel fixture, and the known defects. Audience: Maintainers; Kind: Explanation; Status: Current; Version: main · 1.1 (unreleased). - [Build and test](https://docs.allors.com/excel/internals/build-and-test.md): Prerequisites, the Task targets, the five test passes, CI, versioning and the release workflow. Audience: Maintainers; Kind: How-to guide; Status: Current; Version: main · 1.1 (unreleased). - [Documentation website](https://docs.allors.com/excel/internals/documentation-website.md): The adoption of the Allors documentation standard for Allors Excel, what was reused, how it was validated, and where the website is published. Audience: Maintainers; Kind: Decision record; Status: Current; Version: main · 1.1 (unreleased). - [Writing documentation](https://docs.allors.com/excel/internals/writing-documentation.md): Write and review documentation for its audience, purpose, status, terminology and visual explanation. Audience: Maintainers; Kind: How-to guide; Status: Current; Version: main · 1.1 (unreleased).