139 Adobe Photoshop Image (Raster) Adobe Photoshop is a raster graphics editor developed and published by Adobe Systems for Windows and OS X. Files natively produced by Adobe PhotoDeluxe (extension pdd) also appear to be based upon the Adobe Photoshop file format. Text 1 Digital Preservation Department / The National Archives 23 Sep 2003 20 Jan 2020 com.adobe.photoshop-image Apple Uniform Type Identifier image/vnd.adobe.photoshop MIME x-fmt/92 PUID psd File extension pdd File extension 277 Adobe Photoshop PSD BOF: '8BPS', version 1 (0x0001), 6 reserved null bytes https://www.adobe.com/devnet-apps/photoshop/fileformatashtml/ 1 Absolute from BOF 0 Little-endian 38425053000100000000000000 Is previous version of 1801 Adobe Photoshop Large Document Format