.INDP File Extension
File TypeAdobe InDesign CS3 Package File
What is an INDP file?
Package used by InDesign, a desktop publishing program used to create professional page layouts; stores the changes that have been made to a .INCP package by an editor; used to import finished content back into an InDesign document (.INDD file).
INDP files are created by Adobe InCopy, a writing and editing program used with InDesign.
NOTE: INDP files are used by InDesign and InCopy CS3 and earlier. Versions CS4 and later use the .IDAP extension.