An INDD file is a professional page layout project created with Adobe InDesign. It includes page formatting information, page content, linked files, styles, and swatches. INDD files are commonly used for creating and formatting books, magazines, newspapers, flyers, and brochures.

INDD file open in Adobe InDesign 2020 The INDD file is the main file type associated with InDesign. When you save a page layout project, the INDD file is created by InDesign to store the project. You can create an INDD file in InDesign by selecting File → New → Document. You can open an INDD file by simply double-clicking the INDD file or selecting File → Open.... InDesign documents can also be opened with InCopy, Adobe's professional writing program. They may be imported into QuarkXpress using the ID2Q plugin. NOTE: Corrupt INDD files can be opened and repaired by Stellar Phoenix InDesign Repair. The program is designed to repair properties such as layers, hyperlinks, images, text, and animation cross-references.