How to Unlink Two Excel Spreadsheets. When you connect data from one Excel spreadsheet to a cell in another, the two sheets become permanently linked. Future changes made to the data on one sheet ...

We'll dive deep into Excel workbooks in this guide, starting with the basics and diving straight into powerful three-dimensional workbooks.

A complex Excel 2007 workbook could require multiple sheets. By default, Microsoft provides three sheets on each workbook, but you can add as many as you need.