Hvad er LRLIBRARY-filformatet?
En .lrlibrary-fil er det lokale bibliotek, der bruges af den skybaserede version af Adobe Lightroom, desktop-appen som Adobe nu blot kalder Lightroom (tidligere Lightroom CC), separat fra Lightroom Classic. Den blev introduceret med Lightroom-sky-økosystemet i 2017.
På trods af filtypenavnet er det ikke en enkelt fil. På macOS er det en pakke; på Windows er det en almindelig mappe. Lightroom opretter den automatisk ved installation og navngiver den Lightroom Library.lrlibrary i din mappen Billeder. Indeni ligger en undermappe med et langt alfanumerisk navn, der indeholder en originals-mappe med importerede fotos i daterede undermapper, en eller flere .mcat-katalogfiler, hjælpedatabaser, en cache samt migrations- og redigeringslogfiler. Katalogdatabaserne er SQLite.
Da denne version af Lightroom gemmer dine fotos i skyen, fungerer .lrlibrary primært som en lokal cache og et arbejdsarkiv snarere end som hovedarkivet. Dette er den væsentligste forskel fra Lightroom Classics .lrcat-katalog, som er den primære database.
Sikkerhed og tryghed
RISIKO: LOWThe .lrlibrary is a local data package created by Adobe Lightroom and carries no executable code, so it is not a malware vector by itself. The main practical risk is disk usage, since it can grow to many gigabytes as originals are cached locally. Deleting it is safe only if your photos are fully synced to Adobe's cloud or if you no longer use the cloud-based Lightroom; deleting it while unsynced originals remain can lose those images.
Formatdetaljer
kort fortaltProgrammer der åbner LRLIBRARY-filer
Windows2 apps
Adobe Lightroom
Betalt Install and launch Adobe Lightroom (the cloud-based, non-Classic app); it automatically loads the Lightroom Library.lrlibrary from your Pictures folder on startup.
Windows File Explorer
Indbygget Open the Lightroom Library.lrlibrary folder to inspect the 'originals' sub-folders and catalog files, though it will not render the library as a photo collection. 
macOS2 apps
Adobe Lightroom
Betalt Install and open Adobe Lightroom (cloud-based); it reads the Lightroom Library.lrlibrary package automatically and displays your synced photos.
Finder (Show Package Contents)
Indbygget Right-click the .lrlibrary package and choose Show Package Contents to browse the originals folder, .mcat catalog and log files inside. Tekniske detaljer
dyb specifikation| Encoding | Binary; container is a folder/package holding SQLite databases plus copied image originals |
| Container | macOS package (Finder bundle) on Mac; ordinary folder on Windows |
| Structure | The .lrlibrary is a bundle rather than one file. Inside is a randomly-named subfolder (a long alphanumeric identity string) that holds an 'originals' folder with imported photos stored in dated sub-folders, one or more .mcat catalog files, a helper/preview cache, migration and edit logs, and a folder for temporary edits. |
| Compression | Cached originals are stored in their native format (uncompressed by the container); preview and cache data may be compressed internally |
| Integrity | Relies on the SQLite databases' internal page structure; cloud sync reconciles integrity against Adobe's servers |
| Typical size | Ranges from a few hundred MB to well over 100 GB depending on how many originals are stored locally |
| Platforms | Windows, macOS |
| Notes | This is the local library for the cloud-based Adobe Lightroom desktop app (the non-Classic version), not Lightroom Classic. It acts as a local cache of cloud-hosted data rather than the primary store, so it can be regenerated after a fresh sync. It is created automatically at install and named 'Lightroom Library.lrlibrary' in the user's Pictures folder by default. |
| Byte order | Little-endian (inherited from the SQLite databases inside) |
| Udgivet | 2017 |
LRLIBRARY-konverteringer
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