The IND file extension is used by the application InDesign of Adobe Systems, Inc. This application is the combination of the Adobe Pagemaker and Adobe Photoshop. But the application is really desktop publishing software, but with more advanced features than the Pagemaker. The IND file extension identifies the publication file of this software. It is a for-editing and for-modification type of file, made with the InDesign. The finished products made with this desktop publishing software are mostly converted to PDF files, rather than retain its original file extension, which is the IND file extension
File placed on a Memory Stick media card when formatted with a Sony device; named "MEMSTICK.IND" and is created by the Sony PlayStation Portable (PSP), Sony digital cameras, and other Sony devices when formatting a Memory Stick. Some Sony devices, such as digital camcorders, may create an additional file named "MSTK_PRO.IND" for Memory Stick Pro media cards.