This public link is valid for 7 days and shares a thread, including any personal information you added. This link or copies made by others cannot be deleted. If you share with third parties, their policies apply. Can’t copy the link right now. Try again later.

Note: While Stellar Partition Manager was a standalone product, it's worth checking Stellar's current product line on their official website for the latest tools, as product lines can update over time 1.2.4. If you'd like to dive deeper,

The software operates by interacting directly with the Mac’s file system and partition tables. 1. Analyzing the Drive Map

Native Apple Silicon support, full APFS and Core Storage compatibility, bootable recovery media (for when your main drive won’t mount), and a vendor that publishes a transparent error log.

: Ensure your drive is not suffering from mechanical failure or bad sectors before partitioning.

If you are working on a MacBook, ensure it is plugged into a power source rather than running on battery power during the operation.

If you’re a video editor juggling multiple APFS volumes, a developer dual-booting Linux, or a data scientist shuttling terabytes between external RAIDs, you’ve likely hit a wall. Resizing a partition without erasing data? Merging non-contiguous free space? Cloning a live startup disk? Disk Utility either says “no” or takes a terrifying leap of faith.

To help me tailor any further advice, could you share a bit more context?