How does Word 2010 in Win7 not preview the document?

Word cannot preview the failure diagram:

Reason Analysis:

This occurs because when you preview a preview file, the system invokes the default open program for that file type, and you cannot preview the Word file when you use the file > Open command in Word 2010 because the Word program is already started.

Workaround: Although opening the preview is not available, we can preview the file using the Win7 Explorer Oh.

1, first double-click on computer desktop computer icon, open Windows Explorer, and then click on the toolbar above the "Show preview Pane" button;

2, and then find the file you want to preview, click to select, the Preview pane will display the contents of the file, very convenient bar.