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 ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...