You don't need an expensive Adobe subscription to open Illustrator files. Here's are three free or low-cost alternative ways ...

How to Open .Ai Files. 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 ...

How to convert an AI file into a PDF file using GIMP The steps to convert an AI file into a PDF file are as follows: Go to “ File > Open ” to open the AI file in GIMP. Alternatively, you can ...

The .ai file format is the format used by Illustrator whenever it saves its editable file. This file format should be used first to save if you intend to edit the file at a later date.