InDesign 2026 Not Packaging Files on macOS (Cannot Copy Linked Files Error)

Question

After installing InDesign 2026 (21.2) MAC it won’t package jobs. Any jobs...

Getting the error “Cannot copy necessary linked files”.

Same job package well in InDesign 2025 (20.5.2) MAC.

No special characters in files or folders.

Working on smb drives.

Not an option to copy everything to local drive.

Any ideas?

Mike Witherell · Accepted Answer

Ole,Go to your Mac’s System Preferences and open "Security & Privacy" and select the "Privacy" tab.In the sidebar, select "Accessibility" and check if InDesign is listed and checked. If not, unlock the settings (click the lock icon), click the "+" button, and add InDesign from your Applications folder.Do the same for "Full Disk Access"adding InDesign if it’s not already there.Restart your macOS after making these changes and test InDesign again?

Pockitz · Answer

I tried this with Indesign 21.2 and Tahoe 26.3 connecting to a server using smb and it didn’t work.
I have tried reverting back my version of Indesign (in Creative Cloud>Indesign>other versions) and it works at 20.5, but anything after that and its just comes up with the same error as the OP.

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