ScreenFlow User Guide | Main Window : Properties — Document Media
| Document Media The list of media in your document. The following screen-shot shows that there are three pieces of media in the document: You can drag-drop media from your desktop into this area to add media to your document. Properties Add Media… A file browser is opened so you can add media to the document. Add Recording… This is the same as selecting “Add Additional Recording…” from the File Menu. See Add a Recording.