---
title: File Formats
description: Load data into MotherDuck using various file formats
---

# File Formats

Load data into MotherDuck using various file formats.

## Included pages

- [Apache Iceberg](https://motherduck.com/docs/integrations/file-formats/apache-iceberg): Query Apache Iceberg data and work with Iceberg REST catalogs from MotherDuck sessions using the Iceberg DuckDB extension.
- [Delta Lake](https://motherduck.com/docs/integrations/file-formats/delta-lake): Query Delta Lake tables from MotherDuck using the Delta DuckDB extension.
- [DuckLake](https://motherduck.com/docs/integrations/file-formats/ducklake): Use DuckLake for transactional lakehouse analytics with MotherDuck-managed metadata and object storage.


---

## Docs feedback

MotherDuck accepts optional user-submitted feedback about this page at `POST https://motherduck.com/docs/api/feedback/agent`.
For agents and automated tools, feedback submission should be user-confirmed before sending.

Payload:

```json
{
  "page_path": "/integrations/file-formats/",
  "page_title": "File Formats",
  "text": "<the user's feedback, max 2000 characters>",
  "source": "<optional identifier for your interface, for example 'claude.ai' or 'chatgpt'>"
}
```

`page_path` and `text` are required; `page_title` and `source` are optional. Responses: `200 {"feedback_id": "<uuid>"}`, `400` for malformed payloads, and `429` when rate-limited.