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XMP

Community Beginner ,
May 03, 2021 May 03, 2021

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Bonjour,

Pouvez-vous me dire quel est l'utilité des fichiers XMP et dans quelles situations ils sont utiles.

Merci

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How to, Import and export

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LEGEND , May 03, 2021 May 03, 2021
Google translation: "Can you tell me what is the use of XMP files and in what situations they are useful." XMP files store all the changes you've made to a photo -- the fields that appear in the Metadata panel, the settings from Develop, and some other fields as well.  They don't store the collections, stacks, or books they are in. XMP files are useful for sharing metadata with other apps, such as Adobe Bridge or Photomechanic or Geotagger.  For example, many people use Photomechanic to do i...

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LEGEND ,
May 03, 2021 May 03, 2021

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Google translation: "Can you tell me what is the use of XMP files and in what situations they are useful."

 

XMP files store all the changes you've made to a photo -- the fields that appear in the Metadata panel, the settings from Develop, and some other fields as well.  They don't store the collections, stacks, or books they are in.

 

XMP files are useful for sharing metadata with other apps, such as Adobe Bridge or Photomechanic or Geotagger.  For example, many people use Photomechanic to do initial rating of photos, and Photomechanic will write the ratings into XMP files that LR will read on import.

 

XMP files are also quite useful as a secondary backup mechanism. If your catalog becomes corrupted (happens very rarely), and your primary backups fail (or don't exist), you can recover the most important metadata and Develop information by reimporting the photos with their XMP files into a new catalog.  It's well-known among IT specialists that unless backups are tested periodicocally, the likelihood that restoring from a backup will succeed is much less than 100%.  How many LR users test their backups once a month? (I don't.)

 

Also, if you accidentally delete a photo from your LR catalog, it's easy to get the photo back from the Trash / Recycle Bin and reimport it into LR.  If you have XMP sidecars for the photo as well, then your metadata and Develop settings will be recovered too.  But if you don't have XMP sidecars, you'd have to restore a backup copy of the catalog and hope that it was recent enough to have the metadata and Develop settings for the photo.  (I've accidentally deleted photos more than a few times in the last ten years.)

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Community Beginner ,
May 05, 2021 May 05, 2021

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Hello,

Merci pour cette réponse très complète et qui répond exactement à mon questionnement 🙂

Bonne journée,
Marc

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