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You can't actually rotate any file. You only can rotate images, then save those images to a file. But it is usually not possible to write (in the sense of changing the sensor data) RAW files; it would be possible theoretically, of course (your camera does it), but no software i'm aware of does it, not even the proprietary ones of the camera manufacturers. ...


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RAW image files aren't meant to be manipulated directly. If your photo viewer is viewing a raw image file, it is probably looking at the JPEG thumbnail embedded in the raw file. The photo viewer I use, JPEGview, allows you to view the embedded thumbnail in raw files and allows you to rotate the view. However, you can't save the rotation info in the raw file ...


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