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<blockquote data-quote="pforsell" data-source="post: 706067" data-attributes="member: 7240">I on the other hand prefer the XMP files. Their space usage is negligible - a few kilobytes each compared to a single raw file tens of megabytes a piece. Consider one job with a 1000 raw files amounting to 50 GB, a couple hundred exported JPEGs amounting to 1 GB and the corresponding XMP files amounting to 3 MB. Equally simple to back up to a NAS the whole folder containing all the NEF, JPEG and XMP files in one go.The reason for advocating the XMP files is that many other image editing software tools can read the instructions inside the XMP and continue editing from where LR left off. No need to export TIFF or PSD files (100+ MB each).If the terrible thing happens and the LR catalog database gets corrupted beyond repair (unlikely but possible) all the edits are lost. If the edits are in XMP files, the catalog can shoot itself to the orbit for all I care. It's redundant. <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile&nbsp; &nbsp; :)" loading="lazy" data-shortname=":)" />I'm all for streamlining, automation and simplicity.</blockquote>

[QUOTE="pforsell, post: 706067, member: 7240"] I on the other hand prefer the XMP files. Their space usage is negligible - a few kilobytes each compared to a single raw file tens of megabytes a piece. Consider one job with a 1000 raw files amounting to 50 GB, a couple hundred exported JPEGs amounting to 1 GB and the corresponding XMP files amounting to 3 MB. Equally simple to back up to a NAS the whole folder containing all the NEF, JPEG and XMP files in one go. The reason for advocating the XMP files is that many other image editing software tools can read the instructions inside the XMP and continue editing from where LR left off. No need to export TIFF or PSD files (100+ MB each). If the terrible thing happens and the LR catalog database gets corrupted beyond repair (unlikely but possible) all the edits are lost. If the edits are in XMP files, the catalog can shoot itself to the orbit for all I care. It's redundant. :) I'm all for streamlining, automation and simplicity. [/QUOTE]

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