The default file format for new documents is currently . Saving in this format might cause macros, password protection, and ...

The default file format for new documents is currently . Saving in this format might cause macros, password protection, and formatting to be lost. To preserve these Word document features, save in the Word Document format. To change the default save format, click Preferences on the Word menu, and then click Save. In the Save Word files as pop-up menu, click the format you want to use.