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 ...

If you don't have Adobe Illustrator, you may still have a situation where you need to open AI files to either edit them or simply view them.

Microsoft is testing new File Explorer AI-powered features that will enable Windows 11 users to work with images and documents without needing to open the files.