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Converting Photos to DNG

DNG (Digital Negative Format) is a file format created by Adobe. It was developed with the intention of standardizing a raw file capture format that can be read by a much wider variety of software applications. If you plan to share your raw image files across complex workflows, then converting them to DNG will ensure their compatibility. However, it is also important to note that choosing certain DNG conversion options can cause an image’s file size to increase dramatically. You can convert raw images to DNG during the import process, or convert them later, after they’ve already been imported.

Convert to DNG at import

At the top of the Import dialog box, click Copy as DNG. Proceed to choose the preferred import dialog box settings.

Click the Import button.


Only raw files are converted to DNG at import. Non-raw files are left in their original file format.

The photos are converted to DNG as they are imported into the current Lightroom catalog. As the photos import, their respective thumbnails appear in the library Content area. The status indicator in the upper-left corner of the module displays the import progress.


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