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.WRI·File Extension

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

Data & Textapplication/x-mswrite

Quick facts

Extension.wri

File typeWRI Data & Text

MIME typeapplication/x-mswrite

CategoryData & Text

Charset—

Compressible—

What is .wri

What is a .wri file?

A .wri file is a WRI 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-mswrite. When serving .wri over HTTP, set the Content-Type header as shown in Developer info below.

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

How to open .wri files

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

Developer info

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

Content-Type: application/x-mswrite

Common software that reads/writes .wri:

VS CodeNotepad++Sublime Textjq

Relation chain

.wriextension of

format

WRI Data & Textserved as

mime type

application/x-mswritesent via header

http header

Related extensions

Related MIME types

application/x-mswrite

.wri

Common uses

Configuration files
Data interchange between systems
API request and response payloads
Logs and data exports

How to edit .wri files

Open the file with VS Code, make your changes and save.
Most editors preserve the original formatting and encoding — avoid changing the charset.

How to create .wri files

Create a new file and save it with the .wri extension, or export this format from VS Code.

Frequently asked questions

What programs can open .wri 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 .wri file?

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

What is the relationship between .wri and the application/x-mswrite MIME type?

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

Sources & standards

Updated 2026-09-13

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