Export from RW2 RAW


I can’t export a RW2 image with the option “Preserve input format” or “DNG” in Topaz Photo AI 2.4.0. At the end of the processing phase, during the saving phase, the message “Error : DNG Write Error” pops.
With a JPEG export format, all is fine…

Steps to reproduce issue:

  1. Step 1 : open an RW2 (Lumix S5 Mark II X) image and process it
  2. Step 2 : click on “Save Image” button
  3. Step 3 : select “Preserve Input Format” or “DNG” in “Format” and click on “Save” button

Topaz Photo AI [v2.4.0] on Mac

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Would you mind sending in some more information to get a better understanding of the problem you are having with this particular type of image? Please send the following information:

  1. The original image file.
  2. The processed image.
  3. A screenshot or description of the settings panel so I can see what adjustments were turned on.

You can securely submit your image(s) to my Dropbox using the link below.

Dropbox File Request

Please be sure to send me a note to let me know you sent something.


I submitted the original image to your Dropbox, but, unfortunately I can’t with the processed image because I can’t save it.
Here is the error message I get when I try to.

Best regards

I have looked into this information and have learned that the Lumix S5 Mark II X is not currently supported by Topaz Photo AI.

We utilize a third-party software known as LibRAW for RAW file processing. We will need to patiently await an update from them regarding their RAW library before we can incorporate it into our software.

During this period, it would be necessary for you to convert those RW2 files into either TIFF or JPG format.

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