A file with the .ai extension is an Adobe Illustrator vector graphic file. Adobe Illustrator is a professional drawing and design application, and saves drawings in a vector graphic format with the ...

Though Photoshop doesn't directly open InDesign project files, the two programs are closely related. Both are part of Adobe's Creative Suite 6 package, so the programs share common file formats.

You can open or import a surprising number of file formats into Microsoft Word. Not to be confused with file formatting, which—in most programs—refers to the design of a page, file formats are little ...