Supported RAW formats for the latest major version of Exposure can be found on our RAW support page.
For earlier versions see below.
If your camera is listed but files show unsupported, refer to this article.
Camera RAW Files Show Unsupported
If you use Exposure as a Photoshop or Lightroom plug-in, then you don't need to worry about RAW support. Photoshop and Lightroom handle the RAW conversion.