In the early days of the Internet, the only easy way to create a complex web page layout was by using layout tables. That technique has been replaced by much more powerful tools, such as cascading style sheets, that are more flexible, load more quickly, are easier to create and maintain, and are compliant with web standards.
You can still use tables in your pages; sometimes, they're the best way to display comparison data, such as what you would see in a spreadsheet.
For more information about data tables, see Using data tables.
Microsoft Expression Web still includes tools for working with layout tables to help you maintain and migrate older sites. For more information about layout tables, see Working with layout tables.
Expression Web provides several tools to help create and modify data tables and layout tables.