A blank .docx file is opened in a new tab.

Opens existing .docx, .doc, .pdf, .rft, .txt and .htm format files in a new tab.  You can open and work with up to 20 documents at once.

Allows you to save the changes to your hard drive.  Save your work often.  If you have created a new document and not given it a name, then the first time you Save, it will take you to the Save As dialog box.

Closes the current document without exiting the application.  Save the changes made in the document, before closing it.

To start dictation, you need a good quality microphone and create a Voice Profile.  Also,  make sure that the microphone is correctly connected to your computer and is positioned properly for best results.