Specifies the compatibility mode that uses when opening a document.
public enum CompatibilityMode
Features new to Word 2007 and later are disabled in this mode.
Features new to Word 2010 and later are disabled in this mode.
All Word 2010 features are enabled.
Default. All Word 2013 features are enabled. Also Word 2016 have similar features of Word 2013 and it doesn't have any difference.