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

The .yobj file extension is associated with 1 MIME types:

application/octet-stream.

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

About .yobj Files

YOBJ files are binary files used for storing 3D object data in Yukes systems.
They use the MIME type application/octet-stream, which is a generic label for binary data.
These files often contain geometric information like vertices, edges, and surfaces that form 3D models.

Based on information from FilExt.com.

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/octet-stream

FAQs

What is a .yobj file?

A .yobj file is a proprietary 3D model format used primarily in video games developed by Yuke's, such as older WWE 2K titles and AEW: Fight Forever. It contains binary data representing 3D geometry, meshes, and character models specific to the game engine.

How do I open a .yobj file?

You cannot open these files with standard image or 3D viewers. You need specialized game modding tools such as X-Packer, CakeTools, or Noesis (with the appropriate plugin) to view or extract the model data.

Can I edit .yobj files in Blender?

Not directly. To edit the model in software like Blender or Maya, you must first convert the .yobj file to a standard format like .obj or .fbx using a modding utility. After editing, the model must be converted back to .yobj to work in the game.

What is the MIME type for .yobj files?

The system usually identifies these files as application/octet-stream. This is a generic MIME type for binary files, indicating that the operating system does not natively understand the format and requires specific software to interpret the stream.

Why does my computer say it cannot open this file?

Because .yobj is a specialized game asset format, Windows and macOS do not have built-in associations for it. The generic binary nature of the file prevents standard text editors or media players from displaying its content correctly.

Is it safe to delete .yobj files?

If the file is located within a game's installation folder, do not delete it, as this will likely cause the game to crash or display missing assets. You should only delete .yobj files if they are separate extracted copies or backups you created for modding purposes.

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.