.SFW File Extension
File TypeSeattle FilmWorks Image
What is an SFW file?
Bitmap image created by Seattle FilmWorks, an older application used for film processing; uses a proprietary format, but can still be viewed by some programs; can be converted to a standard .JPG image using SFW2JPG or American Greetings SFW & PWP File Converter.
The Seattle FilmWorks and PhotoWorks software has been discontinued. The PhotoWorks brand is now a part of Shutterfly, an online photo album and photo sharing service.