> ## Adding Interactive Viewing Features

> Some reports are long and complex, which can make it difficult for readers to locate and use the information that they need. If these reports will be viewed online, you can add interactive features that help users to navigate and explore reports.

> Hyperlinks and tables of contents offer different ways for a user to find information or drill down to more detailed data. Interactive chart features enable you to customize the data that a chart displays and provide links to additional information. When designing an HTML report, you can add interactive elements common to web pages, such as buttons and check boxes.

> Not all report output formats support every interactive viewing feature. Output formats, such as PPT, XLS, and DOC, provide limited support. For example, interactive charts are available only in the BIRT report viewer; the table of contents appears only in the report viewer and in PDF; interactive web page elements apply to HTML reports only.

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