lookup> .u32

.U32·File Extension

U32 Data & Text — A .u32 file is a U32 Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

Extension.u32
File typeU32 Data & Text
CategoryData & Text
Charset—
Compressible—

What is a .u32 file?

A .u32 file is a U32 Data & Text. It is a text-based data format widely used for configuration files, data interchange and API payloads.

In the mime-db registry it maps to application/x-authorware-bin. When serving .u32 over HTTP, set the Content-Type header as shown in Developer info below.

Related entities: it maps to application/x-authorware-bin — and is delivered over HTTP via the Content-Type header.

  • Use VS Code or Notepad++ to open and edit .u32 files.
  • Any text editor (Notepad, VS Code) can inspect the raw content as text.

When served over HTTP, responses should set the following header:

Content-Type: application/x-authorware-bin

Common software that reads/writes .u32:

VS CodeNotepad++Sublime Textjq
.u32extension of
format
U32 Data & Textserved as
mime type
application/x-authorware-binsent via header
http header
  • Configuration files
  • Data interchange between systems
  • API request and response payloads
  • Logs and data exports
  • Open the file with VS Code, make your changes and save.
  • Most editors preserve the original formatting and encoding — avoid changing the charset.
  • Create a new file and save it with the .u32 extension, or export this format from VS Code.

What programs can open .u32 files?

Common options include VS Code, Notepad++, Sublime Text. You can also open many of these files with built-in viewers or a browser.

How do I create a .u32 file?

Create a new file in any text editor or the app that owns the format and save it with the .u32 extension.

What is the relationship between .u32 and the application/x-authorware-bin MIME type?

application/x-authorware-bin is the media type identifier used for .u32 files during network transfer (for example in the HTTP Content-Type header).

Updated 2026-09-13

Related extensions

Related MIME types

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