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Developing· Apple· Published Jul 8, 2026
macOS 28 to Drop Support for Encrypted Mac OS Extended Volumes
9to5Mac reported that the upcoming macOS 28 update will no longer support Mac OS Extended volumes that use encryption, requiring users to migrate their data.
AI summary
The outlet noted that Apple is preparing to end support for legacy encrypted HFS+ drives in its next major operating system release.
Why this matters
Users with older external backups or archived drives may need to reformat to APFS to ensure their files remains accessible on modern hardware.
Confidence reason
The report cites a direct policy change from Apple regarding legacy file system support in macOS 28.
Evidence
- 9to5MacPrimaryPSA: macOS 28 will drop support for encrypted Mac OS Extended volumes - 9to5MacMarcus Mendes
"Apple has announced that starting with macOS 28, users will need to decrypt or reformat certain storage volumes to keep using them. Here are the details."
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