Involuntary conversion of Raw to JPEG in LR

[AjF2]

     I only shoot in raw.  I import into LR Classic.  I am working on a book, and I find that many photos I took several years ago are only retained in Jpeg form.  What happened to the Raw version? How could this be happening?  I have been through several versions of LR, but I never deliberately authorized a conversion to jPEG.

[JP Hess]

I'm afraid only you would be able to provide the answer to such a question. Lightroom does not "automatically" convert images from raw to JPEG. Perhaps at some point you inadvertently set the camera to take some JPEG images. That has happened to me on a couple of occasions. But there is no situation where Lightroom would change a raw file to a JPEG and leave no trace of the original. I'm sorry, but that just doesn't happen.

[AjF2]

Thanks.  It occurred to me that the reason may be that I imported photos to my laptop a long time ago, and I may have inadvertently downloaded them on to my external hardrive as JPEGS, then erased the laptop versions.

Dexter P

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[cmgap]

Thanks for updating with this information.