An Illustrator file can be opened in Illustrator as long as the file is in the Adobe Illustrator (.ai) format. If the file is not in the .
ai format, then it can only be opened in an application that can import the .ai format, such as Photoshop. .
When opening a file in Illustrator, be sure to choose the “Open” command from the File menu, and then select the file you would like to open. After selecting the file, you will be prompted to choose the program you would like to open the file with.
If the file is not in the .ai format, then you will be asked to choose a program to open the file.
If you are using Illustrator CS6 or higher, you can also choose to open the file in ” Illustrator Read Only Mode “. This mode will allow you to edit the file, but any changes you make will not be saved.
If you are using Illustrator CS6 or higher, you can also choose to open the file in ” “.
When you are finished working with the file, you can close it by selecting the “Close” command from the File menu.