SFW is legacy and read-only here
SFW (Seattle FilmWorks) is a proprietary 1990s photo-lab format. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new SFW files.
Looking for AI to SFW? Here's why SFW isn't an output option — and the modern formats to use.
We don't create SFW files — it's a legacy format that's effectively read-only. Here's what to convert to instead.
SFW (Seattle FilmWorks) is a proprietary 1990s photo-lab format. It can usually be opened and converted from, but it's long obsolete, so there's no modern encoder to create new SFW files.
For a file that opens everywhere, convert your AI to SVG, PDF or EPS instead.
AI is Adobe Illustrator’s native vector format for logos, icons and illustrations that scale to any size.
How to open AI files open in Adobe Illustrator and many vector editors.
Full AI format guideSFW is Seattle FilmWorks' proprietary format from its mail-order film-developing service, which delivered scans in this locked format.
How to open SFW opens with SFW converters and IrfanView; convert to JPG to free the images for normal use.
Full SFW format guide