Microsoft Corporation
Updated June 10, 1999
You can reduce the time it takes to load a very large table of contents by creating a binary contents file. A binary table of contents is populated based on user demand. For example, in a table of contents where a book is located within another book, the second level book will not be populated until a user clicks it.
The binary format, however, has a very limited set of authoring features. For example:
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