Table 22.1 provides a matrix of the various features available for customization or extension within each Office application. We discuss each of these in the next section.
Some of these features are document-level features, and others are application-level features. The detailed difference between the two is largely one of scope. Document-level customizations are attached to, and live with, a specific document, whether a Word
.docx file or an Excel spreadsheet file. In contrast, application-level features are more global in reach and are implemented as add-ins to a specific ...