1912 Seattle FilmWorks SFW Image Format Image (Raster) Seattle FilmWorks was a mail order film processing company. Digitised photographs made by the company used a family of proprietary raster image formats known as SFW and PWP (PhotoWorks PhotoMail). The SFW format has a compressed version based on JPEG, and an uncompressed version based on BMP. 220 The Church of Jesus Christ of Latter-Day Saints / The Church of Jesus Christ of Latter-Day Saints 28 Sep 2017 20 Jan 2020 fmt/1104 PUID sfw File extension 1486 Seattle FilmWorks Image 94A variant BOF: SFW94A 1 Absolute from BOF 0 0 534657393441 1614 Seattle FilmWorks Image 98A variant BOF: SFW98A 1 Absolute from BOF 0 0 534657393841