https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165187#M9580 Thanks, the images were shot on an old Canon EOS-1Ds Mark II Mon, 22 Feb 2016 17:51:12 GMT oldsurfer 2016-02-22T17:51:12Z https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165152#M9578 <P>&nbsp;</P><P>I went back to open some older Raw Files from 6 years ago that had been precessed with DPP 3.? but the DPP software shows this icon with the image and won't open it.&nbsp; What's going on?<IMG src="https://community.usa.canon.com/t5/image/serverpage/image-id/8983i0D8E40143550C7D8/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="Capture.JPG" title="Capture.JPG" /></P> Mon, 22 Feb 2016 12:59:41 GMT https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165152#M9578 oldsurfer 2016-02-22T12:59:41Z https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165159#M9579 <P>DPP4 only works with RAW files from certain cameras.</P><P>&nbsp;</P><P><IMG src="https://community.usa.canon.com/t5/image/serverpage/image-id/8984i275981D70F7F8CB5/image-size/original?v=mpbl-1&amp;px=-1" border="0" alt="Capture.JPG" title="Capture.JPG" /></P> Mon, 22 Feb 2016 15:11:56 GMT https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165159#M9579 jrhoffman75 2016-02-22T15:11:56Z https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165187#M9580 Thanks, the images were shot on an old Canon EOS-1Ds Mark II Mon, 22 Feb 2016 17:51:12 GMT https://community.usa.canon.com/t5/Camera-Software/DPP-4-software-won-t-open-old-Raw-Files/m-p/165187#M9580 oldsurfer 2016-02-22T17:51:12Z