The thumbnail picture is stored in a 'PICT' resource, the keywords are stored in 'STR#' resource 128 and the caption text is stored in 'TEXT' resource 128. For interoperability with other Macintosh applications, however, some information is duplicated in resources stored in the resource fork of the file:įor compatibility with image cataloging applications, the 'pnot' resource id 0 contains references to thumbnail, keywords, and caption information stored in other resources. All other products are the property of their respective owners.įor cross-platform compatibility, all information needed by Photoshop is stored in the data fork. Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. registered in the United States and other countries. Apple, Macintosh, and Mac are trademarks of Apple Computer, Inc. The software described in this document is furnished under license and may only be used or copied in accordance with the terms of such license.Īdobe, After Effects, PhotoDeluxe, Adobe Premiere, Photoshop, Adobe Illustrator, Adobe Type Manager, ATM and PostScript are either trademarks or registered trademarks of Adobe Systems Incorporated in the United States and/or other countries. Adobe Systems Incorporated assumes no responsibility or liability for any errors or inaccuracies that may appear in this document. The information in this document is furnished for informational use only, is subject to change without notice, and should not be construed as a commitment by Adobe Systems Incorporated. Portions Copyright © 1990-1991, Thomas Knoll. Adobe Photoshop File Formats Specification Adobe Photoshop File Formats Specification November 2019Ĭopyright © 1991-2019 Adobe Systems Incorporated.

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