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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.

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Credible lead
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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
  • 9to5MacPrimary
    PSA: macOS 28 will drop support for encrypted Mac OS Extended volumes - 9to5Mac
    Marcus 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."
    Open original source

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