Under the File menu, select Open. Select from the list of available files, changing the subdirectory, drive, or file type if necessary. Screenwriter's default file formats for opening are .mmsw, ,mmx, and .scw.
Click on OK to open the file.
To open a file you have recently saved, select one of the numbered files at the bottom of the File menu.
You can also open a document by dragging the document icon from Windows Explorer and dropping it in the edit screen.
