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

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

application/msword, application/octet-stream.

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

About .glx Files

GLX files are glossary files used by Microsoft Word for DOS. They store term entries and definitions in a legacy word processing environment.
They carry the MIME type application/msword to indicate their connection to Microsoft Word and sometimes appear as application/octet-stream when treated as generic binary data.
These files hold glossary data that older DOS applications could reference and utilize, often as part of help documentation or specialized word processing functions.

Based on information from FilExt.com, GLX files are a relic of the DOS era, reflecting early approaches to digital glossary management.

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/msword, application/octet-stream

FAQs

What is a GLX file?

A GLX file is a glossary file created by the legacy software Microsoft Word for DOS. It contains a list of terms and their corresponding definitions, which were used to automate text entry or provide help documentation in early word processing environments.

How do I open a GLX file on Windows 10 or 11?

Modern operating systems do not natively support .glx files. To run the original software, you would need a DOS emulator like DOSBox. However, you can often recover the text content by opening the file in a text editor like Notepad++ or standard Notepad.

Can I convert a GLX file to a modern Word document (.docx)?

There are no direct automatic converters for this obsolete format. The most effective method is to open the file as raw text, copy the readable glossary terms, and paste them manually into a new Microsoft Word document.

Why does the file look like gibberish in Notepad?

GLX files are binary files, meaning they contain formatting code alongside the actual text. When viewed in a text editor, you will see the readable glossary terms interspersed with unreadable characters (symbols or code) that represent the file's structure.

What MIME type is used for GLX files?

These files are historically associated with the MIME type application/msword due to their origin with Microsoft Word. If the system cannot identify the specific format, they may be treated as generic binary data with the type application/octet-stream.

Are GLX files dangerous?

Generally, GLX files are passive data files containing text and definitions, so they are not inherently dangerous. However, because the extension is rare and obsolete, you should always scan unknown files with antivirus software before attempting to open them.

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.