DiskMaker X 7 for High Sierra GM
DiskMaker X 7 for High Sierra GM is a macOS utility that creates a bootable installer drive for macOS High Sierra from Apple's installer app.
What is DiskMaker X 7 for High Sierra GM?
DiskMaker X 7 for High Sierra GM is a macOS utility for building a bootable USB drive or other installer disk for macOS High Sierra. It is designed for users who need installation media for system setup, troubleshooting, recovery, or reinstalling macOS on compatible Macs. The app guides you through selecting a target drive and uses the macOS installer to prepare bootable media with less manual Terminal work. This release is focused on the High Sierra GM era and fits workflows where users keep older macOS installers available for maintenance or repair tasks. Published by Guillaume Gete, it is best known as a focused helper for making macOS install disks rather than a general disk management tool.
Key features
- Create a bootable installer drive for macOS High Sierra
- Guide you through choosing a USB drive or other target disk
- Work with Apple's macOS installer app to prepare installation media
- Simplify reinstall and recovery setup without manual command entry
- Help maintain older Mac deployment and troubleshooting workflows
Review app leftovers with diCleaner
Inspect caches, support files, containers, and login items before cleaning.
Safety overview
Status: Mostly safe
This utility is used to erase and prepare removable media so it can create bootable macOS installer disks. That behavior is normal for its purpose, but choosing the wrong drive can delete the contents of that disk. Use it only when you intend to create installation media, confirm the selected target before proceeding, and keep any important files backed up first.
Recommendation: Keep DiskMaker X 7 for High Sierra GM if you still create or maintain macOS High Sierra installer media. If you no longer work with older macOS recovery or reinstall tasks, you can remove it without affecting everyday Mac use.
Common paths
/Applications/DiskMaker X 7 for High Sierra GM.app
Preference paths
~/Library/Preferences/net.gete.diskmakerx.plist
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