orf to dng conversion represents export of Olympus specific digital raw formats (.orf) to Adobe Digital Negative (.dng), a generic exchange format used across Adobe software, such as Photoshop or Photoshop Lightroom.
DNG format has been adopted by pretty much every modern photo editor, so it really shouldn't be hard to find tool that can be used for such export, provided they support Olympus ORF format.
Updated: October 12, 2023