What is the format of AI file?

AI is the file extension of Adobe illustrator, which is a vector graphics file format. Adobe illustrator is a popular drawing program based on vector graphics. AI format is a strictly restricted and highly simplified subset of EPS. AI stands for Adobe illustrator.

To open it. Ai files can use Adobe's illustrator software, which belongs to photoshop software. Under normal circumstances. Ai files can also be opened through photoshop.

But the opened picture is only a bitmap instead of a vector picture, and the background layer is transparent. As for the accuracy after opening, you can modify the resolution of the picture on the dialog box that pops up when opening.

Ai files can also be opened directly with Acrobat reader, but they can only be viewed.