container = new StandardCrawlerContainer().singleton("msWordExtractor", MsWordExtractor.class)
                .singleton("msExcelExtractor", MsExcelExtractor.class)
                .singleton("msPowerPointExtractor", MsPowerPointExtractor.class)
                .singleton("textExtractor", TextExtractor.class);
    }

    /**
     * Test that MsWordExtractor properly closes resources on successful extraction.
     */

**Transformer**: `HtmlTransformer`, `XmlTransformer`, `FileTransformer`, etc.
**Extractor**: Weight-based selection (tries in descending weight order)

### Key Extractors

`TikaExtractor` (1000+ formats), `PdfExtractor`, `MsWordExtractor`, `MsExcelExtractor`, `MsPowerPointExtractor`, `ZipExtractor`, `HtmlExtractor`, etc.

**Registration**:
```java
extractorFactory.addExtractor("text/html", htmlExtractor, 2);  // Weight 2