Open your first instance of Excel, and then right-click the Excel tile on the Start screen. Hold down the "Alt" key and click "Open New Window" on the Start screen taskbar.

How to Copy a List of Files in a Windows Folder Into an Excel List. Maintaining an Excel spreadsheet of computer files can help you keep track of important business documents or images ...

The Online Tech Tips blog explains how to use a registry hack to add an "Open in New Excel Instance" item to your context menu—which will open your spreadsheet in a separate copy of Excel, so ...