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Apple Computing Products:
macOS - Operating System
Time machine froze, now Catalina won't load...
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<blockquote data-quote="IWT" data-source="post: 1843765" data-attributes="member: 83420"><p>Jake said: </p><p></p><p>That is certainly correct. Time Machine must be backed up to a EHD formatted HFS+ (aka Mac OS X Extended (Journaled).</p><p></p><p>This is a quote from Apple Support: "Important: You can back up from an HFS+ or APFS-formatted disk to an HFS+ disk; however, <u>Time Machine can’t back up <strong>to</strong> an APFS-formatted disk</u>. If you select a back up disk formatted as APFS, Time Machine offers to reformat it as HFS+.</p><p></p><p>Taken from: <a href="https://support.apple.com/en-gb/guide/mac-help/mh15139/10.15/mac/10.15" target="_blank">Types of disks you can use with Time Machine on Mac - Apple Support</a> </p><p></p><p>Note: If you create a backup on a Mac or partition with macOS Catalina, you can only use that backup on Mac computers or partitions with macOS Catalina. That would seem to agree with Rod's comment.</p><p></p><p><a href="https://support.apple.com/en-gb/guide/mac-help/mh35860/mac" target="_blank">Back up your files with Time Machine on Mac - Apple Support</a></p><p></p><p></p><p>Ian</p></blockquote><p></p>
[QUOTE="IWT, post: 1843765, member: 83420"] Jake said: That is certainly correct. Time Machine must be backed up to a EHD formatted HFS+ (aka Mac OS X Extended (Journaled). This is a quote from Apple Support: "Important: You can back up from an HFS+ or APFS-formatted disk to an HFS+ disk; however, [U]Time Machine can’t back up [B]to[/B] an APFS-formatted disk[/U]. If you select a back up disk formatted as APFS, Time Machine offers to reformat it as HFS+. Taken from: [url=https://support.apple.com/en-gb/guide/mac-help/mh15139/10.15/mac/10.15]Types of disks you can use with Time Machine on Mac - Apple Support[/url] Note: If you create a backup on a Mac or partition with macOS Catalina, you can only use that backup on Mac computers or partitions with macOS Catalina. That would seem to agree with Rod's comment. [url=https://support.apple.com/en-gb/guide/mac-help/mh35860/mac]Back up your files with Time Machine on Mac - Apple Support[/url] Ian [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Time machine froze, now Catalina won't load...
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