Fix Apple Photos Library Cannot Open in OneDrive
Question details
The user needs to successfully back up or store their Apple Photos securely without encountering synchronization or access errors in OneDrive.

- Product
- OneDrive
- Device & OS
- macOS
- Scenario
- Attempting to sync, backup, or open an active Apple Photos library file package that has been placed inside a OneDrive folder.
- Observed behavior
- The Apple Photos app cannot open the library, and OneDrive fails to properly synchronize the file because the macOS Photos library is an application package with a complex internal structure, not a standard folder.
Ensure you have enough local storage space on your Mac's internal drive to hold your active Photos library before initiating the export process to OneDrive.
Export Unmodified Originals to OneDrive
Keep the active Photos library on your local Mac drive and export the individual image files to your OneDrive folder for secure backup.
Apple Photos libraries are complex application packages rather than standard folders. Because of this intricate structure, cloud services like OneDrive cannot properly sync or open active library packages, leading to synchronization errors or file corruption.
To safely back up your photos without breaking the library structure, you should export the images directly from the Photos app into your OneDrive directory.
Launch the Photos application on your Mac and select the pictures you wish to back up to OneDrive.
Go to the top menu bar, click on 'File', hover over 'Export', and choose 'Export Unmodified Originals'.
In the prompt window, select your synced OneDrive folder as the destination to save the exported photos, then click 'Export'.

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Frequently Asked Questions
Can I store my Apple Photos library on an external drive instead of OneDrive?
Yes, Apple recommends storing your active Photos library on a locally formatted Mac OS Extended (Journaled) or APFS external drive to avoid the syncing and corruption issues caused by cloud storage services.
Why does my Photos library show as a single file on my Mac?
The Photos library is a macOS application package. It acts as a specialized folder containing databases, thumbnails, and original images bundled together, but macOS displays it as a single file to prevent users from accidentally modifying its complex internal contents.
Will exporting unmodified originals keep my location and date data?
Yes, selecting 'Export Unmodified Originals' preserves standard EXIF metadata, which includes capture dates and GPS location data embedded by your camera or phone.
Is Microsoft planning to support Apple Photos library syncing in OneDrive?
Currently, OneDrive is optimized to sync standard files and folders. There is no official support or reliable method for syncing active, complex macOS package files like the Photos library directly through the OneDrive client.




