Which MIME types are related to file extension ".air"?

The .air file extension is associated with 2 MIME types:

application/vnd.adobe.air-application-installer-package+zip, application/octet-stream.

A MIME type is a string that tells browsers and other tools how to handle a particular kind of file.

About .air Files

AIR files are installer packages for Adobe AIR applications. They bundle all the code, assets, and configuration needed to run cross‑platform desktop apps.
They are essentially compressed archives (similar to ZIP files) and carry the specific MIME type application/vnd.adobe.air-application-installer-package+zip.
Sometimes, they may also show the generic MIME type application/octet-stream when no specialized type is set, which simply marks them as binary data.

Based on information from FilExt.com, AIR files are a key method for packaging and deploying rich internet applications on the desktop.

Relationship between file extension and MIME type

A file extension is a suffix at the end of a filename that indicates what type of file it is. File extensions help both users and operating systems identify what application should be used to open the file.

File extensions are typically separated from the filename by a period (dot) and consist of 2-4 characters, though they can be longer. For example, in the filename "document.pdf", ".pdf" is the file extension.

File extensions are closely related to MIME types, as they both serve to identify the format of a file. However, while MIME types are used primarily by web browsers and servers, file extensions are used by operating systems and applications.

Associated MIME types

application/vnd.adobe.air-application-installer-package+zip, application/octet-stream

FAQs

How do I open an .AIR file?

To open an .AIR file, you must have the Adobe AIR Runtime installed on your computer. Once the runtime is installed, simply double-click the .AIR file, and the built-in installer will guide you through the process of setting up the application.

What should I do if the .AIR file won't open?

If double-clicking the file does not launch the installer, you likely need to install or update the AIR Runtime. Since Adobe transitioned support for the platform, you should download the latest runtime from HARMAN, the current official partner for Adobe AIR.

Can I view the contents of an .AIR file without installing the app?

Yes, because .AIR files are essentially compressed archives similar to ZIPs. You can rename the file extension from .air to .zip and open it with standard tools like WinRAR, 7-Zip, or Windows Explorer to view the internal assets and XML configuration.

Is Adobe AIR still supported?

Adobe officially ended support for AIR in 2020, but the platform is currently maintained and developed by HARMAN. Users looking to run legacy or new AIR applications should download the runtime provided by HARMAN to ensure compatibility and security.

Are .AIR files safe to run?

Like any executable file (.exe or .app), .AIR files contain software code and can potentially harm your system if they come from malicious sources. Always ensure you trust the publisher and that the file includes a valid digital signature before installing it.

How can I convert an .AIR file to .EXE or .DMG?

You cannot simply convert an existing .AIR package to a native installer like .exe using a file converter. However, developers using the AIR SDK can choose to export their project as a Captive Runtime bundle, which produces a standalone native installer for Windows or macOS instead of a dependent .AIR file.

What is the correct MIME type for serving .AIR files?

Web servers should be configured to serve these files with the MIME type application/vnd.adobe.air-application-installer-package+zip. If the server is misconfigured, the file might download as a generic binary stream (application/octet-stream), which may prevent the browser from automatically launching the installer. See more details at mime-type.com.

General FAQ

What is a MIME type?

A MIME (Multipurpose Internet Mail Extensions) type is a standard that indicates the nature and format of a document, file, or assortment of bytes. MIME types are defined and standardized in IETF's RFC 6838.

MIME types are important because they help browsers and servers understand how to process a file. When a browser receives a file from a server, it uses the MIME type to determine how to display or handle the content, whether it's an image to display, a PDF to open in a viewer, or a video to play.

MIME types consist of a type and a subtype, separated by a slash (e.g., text/html, image/jpeg, application/pdf). Some MIME types also include optional parameters.

How do I find the MIME type for a file?

You can check the file extension or use a file identification tool such as file --mime-type on the command line. Many programming languages also provide libraries to detect MIME types.

Why can one extension have multiple MIME types?

Different programs and historical usage may assign various MIME identifiers to the same file format. Listing them together helps maintain compatibility across tools.