# fetch_mime_types

> **Function** in `langchain_community`

📖 [View in docs](https://reference.langchain.com/python/langchain-community/document_loaders/base_o365/fetch_mime_types)

Fetch the mime types for the specified file types.

## Signature

```python
fetch_mime_types(
    file_types: Sequence[str],
) -> Dict[str, str]
```

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[View source on GitHub](https://github.com/langchain-ai/langchain-community/blob/a6a6079511ac8a5c1293337f88096b8641562e77/libs/community/langchain_community/document_loaders/base_o365.py#L55)