NEF files turn to xmp files after editing.

glaw89

glaw89

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Name
Gemma
Edit My Images
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I admit, I have been a firm user of the jpeg setting rather then RAW but recently started using RAW and have now been experiencing some problems. I use Lightroom 4, Photoshop CS5 and occasionally Corel PSPX2 - when i open the image another window opens with the options of correcting brightness etc .. once i edit the image and save it as a Jpeg the original unedited file is converted to a xmp file and is no longer accessible. Is it me that is doing something wrong or is this how it is shooting in RAW?

Thanks
 
From Adobe
"Adobe's Extensible Metadata Platform (XMP) is a labeling technology that allows you to embed data about a file, known as metadata, into the file itself. With XMP, desktop applications and back-end publishing systems gain a common method for capturing, sharing, and leveraging this valuable metadata ﾗ opening the door for more efficient job processing, workflow automation, and rights management, among many other possibilities. With XMP, Adobe has taken the ﾓheavy liftingﾔ out of metadata integration, offering content creators an easy way to embed meaningful information about their projects and providing industry partners with standards-based building blocks to develop optimized workflow solutions.
Click to expand...

You still have the original nef. The xmp is a secondary files carrying the changes you made in ACR etc. It is known as a sidecar file. If you delete the XMP then next time you open an image you are back to the original nef before pp.
 
Or you could turn it off,

Lightroom 4.

Catalog settings, > Metadate Tab, > Automatically wright changes into XMP > Untick the box.
 
If you convert all your RAWs to DNGs, then that xmp data is written to the DNG instead, and there are no multitudes of xmp files created. So there are no xmps to lose, or manage alongside the RAW, like moving or renaming.
 
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