What is an AIA file?
An .AIA file primarily serves as an MIT App Inventor Project file created by MIT. Developers use it to store source code, media assets, and settings for an Android application project. Some .AIA files act as Adobe Illustrator Action files used by Adobe Illustrator to automate repetitive design tasks.
How to open AIA files?
To open an app project natively, you can upload the .AIA file to the online MIT App Inventor platform. For action files, you import them into the Actions panel in Adobe Illustrator. Because an .AIA file has multiple possible meanings, viewer.online/aia analyzes .AIA files to identify their exact format and creator software, shows which programs can open the file, and usually previews it.
Software and tools
You can use standard archive tools like 7-Zip or WinRAR to extract the contents of an MIT App Inventor Project file. Inside, you will find standard text and media files. Developers also use tools like Android Studio to inspect extracted project code.
Summary
Because the most common .AIA files use the known ZIP format, viewer.online/aia can safely open and display them online, eliminating compatibility problems.