OnyX
OnyX is a multifunction utility that you can use to verify the structure of the system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some Apple applications, to delete caches, to remove certain problematic folders and files, to rebuild various databases and indexes, and more.
OnyX is a reliable application which provides a clean interface to many tasks that would otherwise require complex commands to be typed using a command-line interface.
WARNING:
There is a specific version of OnyX for each major version of the operating system.
Use the specific version, and don't try to use a non-compatible version.
OnyX 3.9.5 for macOS Big Sur 11
Requirements: Intel-based Mac or Apple M1-based Mac using macOS Big Sur 11.1 or later.
MacOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update: macOS Catalina 10.15.7: 5 Nov 2020: tvOS 14.2: Apple TV 4K and Apple TV HD: 5 Nov 2020: iOS 14.2 and iPadOS 14.2: iPhone 6s and later, iPad Air 2 and later, iPad mini 4 and later, and iPod touch (7th generation) 5 Nov 2020: iOS 12.4.9. This system software update improves system performance. Version 8.00 Main features in the system software update. The following changes have been made to Party and Messages. When starting a party, you can now choose to create a new group or select an existing group. When you create a new group, it'll be saved even after the party has ended.
OnyX 3.8.7 for macOS Catalina 10.15
- MacOS Catalina, the latest version of the world’s most advanced desktop operating system, is now available as a free software update. With macOS Catalina, users are able to enjoy Apple Arcade, a groundbreaking new game subscription service featuring new, exclusive games from some of the world’s most creative developers.
- OnyX is a multifunction utility that you can use to verify the structure of the system files, to run miscellaneous maintenance and cleaning tasks, to configure parameters in the Finder, Dock, Safari, and some Apple applications, to delete caches, to remove certain problematic folders and files, to rebuild various databases and indexes, and more.
Requirements: Intel-based Mac using macOS Catalina 10.15.
OnyX 3.6.8 for macOS Mojave 10.14
Requirements: Intel-based Mac using macOS Mojave 10.14.
OnyX 3.4.9 for macOS High Sierra 10.13
Requirements: Intel-based Mac using macOS High Sierra 10.13.
Macbook Software Update Catalina
OnyX 3.3.1 for macOS Sierra 10.12
Requirements: Intel-based Mac using macOS Sierra 10.12.
OnyX 3.1.9 for OS X El Capitan 10.11
Requirements: Intel-based Mac using OS X El Capitan 10.11.
OnyX 3.0.2 for OS X Yosemite 10.10
Requirements: Intel-based Mac using OS X Yosemite 10.10.
OnyX 2.8.9 for OS X Mavericks 10.9
Requirements: Intel-based Mac using OS X Mavericks 10.9.
OnyX 2.7.4 for OS X Mountain Lion 10.8
Requirements: Intel-based Mac using OS X Mountain Lion 10.8.
OnyX 2.4.8 for OS X Lion 10.7
Requirements: Intel-based Mac using OS X Lion 10.7.
OnyX 2.4.0 for Mac OS X Snow Leopard 10.6
Requirements: Intel-based Mac using Mac OS X Snow Leopard 10.6.
OnyX 2.0.6 for Mac OS X Leopard 10.5
Requirements: PowerPC-based Mac or Intel-based Mac using Mac OS X Leopard 10.5. OnyX only runs from an administrator account.
OnyX 1.8.6 for Mac OS X Tiger 10.4
Requirements: PowerPC-based Mac or Intel-based Mac using Mac OS X Tiger 10.4. OnyX only runs from an administrator account.
OnyX 1.5.3 for Mac OS X Panther 10.3
New Catalina Software Update
Requirements: PowerPC-based Mac using Mac OS X Panther 10.3 with BSD subsystem. OnyX only runs from an administrator account.
New Mac Software Update Catalina
OnyX 1.3.1 for Mac OS X Jaguar 10.2
Catalina Software Update Badge
Requirements: PowerPC-based Mac using Mac OS X Jaguar 10.2 with BSD subsystem. OnyX only runs from an administrator account.