# MDX
> MDX file localization
URL: https://store.crowdin.com/mdx
Category: File Formats
Type: System
Author: Crowdin
MDX is a natively supported file format, you can use it without an additional installation. Just upload it to your projects and start the localization.
## Available Configurations
The MDX file format can be configured to optimize its use with Crowdin for better content handling. The following is a list of available configuration options.
- Change file type (only for MDX(v1)).
- Enable content segmentation.
- Custom segmentation rules.
- Exclude code blocks.
- Excluded front matter elements.
## File Format Details
| Attribute | Value |
| --------- | ----- |
| File Extension | .mdx |
| [API Type](https://developer.crowdin.com/api/v2/#operation/api.projects.files.post) | mdx_v1, mdx_v2 |
| Source can be edited in Crowdin | No |
| Generating translated files via [Bundles](https://support.crowdin.com/bundles/) | [Search Crowdin Store](https://store.crowdin.com/tags/string-exporter) |
| Supports pluralization | No |
| WYSIWYG Preview in the editor | Yes |
| Supported types of contextual information | Text comments, Screenshots, In-Context |
| Custom attributes | No |
| Existing translations import possibility | ML-based technology |
## Sample File
```markdown
# Crowdin *MDX* Sample
The paragraph with font styles: a **bold** word, an _italicized_ word, and a ~~strikethrough~~ word.
Below is an example of JSX embedded in Markdown.