Important information for all platforms

  • The files and file locations given here are defaults. Some of these locations can be customized in the Lightroom \Preferences or Catalog Settings dialog boxes.
  • While troubleshooting, when possible, rename files instead of deleting them.
  • If possible, back up catalogs on a different hard disk or volume from the disk where your catalog is located. For more information on backing up in Lightroom, read Back up a catalog in Lightroom Help and watch the video tutorial Backing up your catalog. (The video was produced for Lightroom 4 but applies to later versions of Lightroom.)

File locations in macOS

Note: The user Library file is hidden by default on Mac OS X 10.7 and later. For temporary access to the user Library file, press Option and choose Go > Library in the Finder.

The Lightroom application file /Applications/Adobe Lightroom/Adobe Lightroom.app

Preferences 

  • Lightroom Classic CC: /Users/[username]/Library/Preferences/com.adobe.LightroomClassicCC7.plist
  • Lightroom 6: /Users/[username]/Library/Preferences/com.adobe.Lightroom6.plist

In Mac OS 10.9.x and later, to reset Lightroom's preferences, after you delete the above file, restart your Macintosh. Also, beginning with Mac OS 10.9, to fully reset your Lightroom preferences, in addition to deleting the plist file, press the shift + option keys immediately after you restart Lightroom, and select Reset Preferences from the resulting dialog box.

Catalog  /Users/[username]/Pictures/Lightroom/Lightroom Catalog.lrcat

Preview cache  /Users/[username]/Pictures/Lightroom/Lightroom Catalog Previews.lrdata

Smart Preview cache  /Users/[user name]/Pictures/Lightroom/Lightroom Catalog Smart Previews.lrdata

Catalog lock file  /Users/[user name]/Pictures/Lightroom/Lightroom Catalog.lrcat.lock

Note: The lock file prevents the catalog from being overwritten when in use.

Catalog journal file  /Users/[user name]/Pictures/Lightroom/Lightroom Catalog.lrcat-journal

Open catalogs use the journal file to check for incomplete database records. Do not delete the journal file unless you're deleting its associated catalog as well.

Catalog backup  /Users/[user name]/Pictures/Lightroom/Backups/[date and time of backup]/Lightroom Catalog.lrcat

Presets and templates  /Users/[user name]/Library/Application Support/Adobe/Lightroom/[preset or template folder]/[preset or template filename.lrtemplate]

Serial number  /Users/[user name]/Library/Application Support/Adobe/Lightroom/Lightroom 6.0 Registration

File locations in Windows

Note: Some of the folders you're looking for could be hidden. To view them, choose Start > Control Panel > Appearance and Personalization > Folder Options. In the Advanced area of the View tab, make sure that Show Hidden Files and Folders is selected, and then click OK.

The Lightroom program file  C:\Program Files\Adobe\Adobe Lightroom\Lightroom.exe

Preferences  

  • Lightroom Classic CC: C:\Users\[user name]\AppData\Roaming\Adobe\Lightroom\Preferences\Lightroom Classic CC 7 Preferences.agprefs
  • Lightroom 6: C:\Users\[user name]\AppData\Roaming\Adobe\Lightroom\Preferences\Lightroom 6 Preferences.agprefs

To reset your preferences in Windows, restart Lightroom from the pinned application icon in the Start Screen, and immediately press the Shift + Alt keys. In the resulting Reset Preferences dialog box, indicate you want to reset your preferences.

Catalog  C:\Users\[user name]\Pictures\Lightroom\Lightroom Catalog.lrcat

Preview cache  C:\Users\[user name]\Pictures\Lightroom\Lightroom Catalog Previews.lrdata

Smart Preview cache  C:\Users\[user name]\Pictures\Lightroom\Lightroom Catalog Smart Previews.lrdata

Catalog lock file  C:\Users\[user name]\Pictures\Lightroom\Lightroom Catalog.lrcat.lock

Note:The lock file prevents the catalog from being overwritten when in use.

Catalog journal file  C:\Users\[user name]\Pictures\Lightroom\Lightroom Catalog.lrcat-journal

Note: Open catalogs use the journal file to check for incomplete database records. Do not delete the journal file unless you're deleting its associated catalog file as well.

Catalog backup  C:\Users\[user name]\Pictures\Lightroom\Backups\[date and time of backup]\Lightroom Catalog.lrcat

Presets and templates  C:\Users\[user name]\AppData\Roaming\Adobe\Lightroom\[preset or template folder]\[preset or template filename.lrtemplate]

Serial number  C:\Users\[user name]\AppData\Roaming\Adobe\Lightroom\Lightroom 6.0 Registration.lrreg

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