Describes how document-level customizations work, and how they are perceived differently by the developer and the end user.

Describes the components of application-level add-ins, and how they are loaded by applications.

Describes the different versions of the runtime that is used for Visual Studio Tools for Office solutions.

Describes the registry keys that are required on end user computers to discover and load application-level add-ins.

Explains how the custom document properties work in document-level customizations.

Describes how data and view are separated in document-level solutions, and provides an overview of server documents and data caching.

Provides information about the ActiveX control that Visual Studio Tools for Office embeds in documents for Microsoft Office 2003 solutions.

Provides an introduction to using Microsoft Office as a platform for developing business solutions.

Provides links to information about installing Visual Studio Tools for Office, how to begin creating solutions, and what has changed since the earlier versions of Visual Studio Tools for Office.

Provides links to information about creating Microsoft Office solutions.

Provides links to detailed information about the Visual Studio Tools for Office user interface, manifests, and other objects.