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

The .scr file extension is associated with 7 MIME types:

text/plain, image/x-ani-st, application/octet-stream, application/efi, application/vnd.microsoft.portable-executable, image/x-datashow-screen, image/x-sun-raster.

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

About .scr Files

SCR files are a versatile file type. They can serve as scripts or executable programs.

Many SCR files are used as Windows screensavers. In this case, they are actually portable executables that run as programs. They use MIME types such as application/efi and application/vnd.microsoft.portable-executable to show that they are meant to be run by the operating system.

Other SCR files work in different environments. For example:

Each variant is tailored to its main use.
For instance, Windows screensavers (.scr as executables) are run by the system to display animated images when the computer is idle, while script-based .scr formats are meant to be read by specialized editors or software.

Always open SCR files with the proper application. Using a text editor for a screensaver file or running a script file as an executable can lead to problems.
Based on information from FilExt.com, knowing the specific context of a SCR file is key to proper use.

Key use cases include:

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

text/plain, image/x-ani-st, application/octet-stream, application/efi, application/vnd.microsoft.portable-executable, image/x-datashow-screen, image/x-sun-raster

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.