The "Save files in this format (Word document (*.docx) | Single Files Web Page (*.mht) | Web Page (*.htm; *.html) | Web Page, Filtered (*.htm, *.html) | Rich Text Format (*.rtf) | Plain Text (*.txt) | Word 6.0/95 (*.doc) | Word 6.0/95 - Chinese (Simplified) (*.doc) | Word 6.0/95 - Chinese (Traditional) (*.doc) | Word 6.0/95 - Japanese (*.doc) | Word 6.0/95 - Korean (*.doc) | Word 97-2002 and 6.0/95 - RTF | Word 5.1 for Macintosh (*.mcw) | Word 5.0 for Macintosh (*.mcw) | Word 2.x for Windows (*.doc) | Works 4.0 for Windows (*.wps) | WordPerfect 5.x for Windows (*.doc) | WordPerfect 5.1 for DOS (*.doc) | Word 2007 Macro Enabled Document (*.docm) | Word 2007 Macro Free Template (*.dotx) | Word 2007 Macro Enabled Template (*.dotm) | Word 97 - 2003 Document (*.doc) | Word 97 - 2003 Template (*.dot) | Flat XML Document (*.xml))" setting should be configured correctly for Word 2007.