Which MIME types are related to file extension ".t38"?

The .t38 file extension is associated with 2 MIME types:

audio/t38, image/t38.

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

About .t38 Files

T38 files are files that carry fax data using the T.38 protocol.
They are used to send faxes over IP networks by converting analog fax signals into digital packets.
This protocol helps avoid the errors that occur when trying to send faxes as audio over compressed voice channels.

T38 files may adopt either the audio/t38 or image/t38 MIME type. The audio/t38 type refers to the data stream used for fax signal transmission, while the image/t38 type emphasizes fax image content.
These formats ensure that fax content is correctly interpreted and rendered by compatible software applications.

For additional details, see T38 details on 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

audio/t38, image/t38

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.