OS X 10.12

OS X 10.12 is now known as "macOS Sierra."

By MacRumors Staff
OS X 10.12

OS X 10.12: Now Known as macOS Sierra

OS X 10.12 was expected to be the name of the 2016 Mac operating system update, following OS X 10.11, but Apple opted to change the name of its Mac operating system to "macOS" to bring it in line with tvOS, iOS, and watchOS.

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What was once OS X 10.12 is now known as "macOS Sierra," set to be released to the public in the fall of 2016. Full details on macOS Sierra, which includes new features like Siri integration and automatic Mac unlocking, can be found in our dedicated macOS Sierra Roundup.

OS X 10.12 Timeline

October2019
Oct 25How to Fix a Damaged macOS Installer
December2018
Dec 19How to Add a Recent Items Folder to Your Mac's Dock
November2018
Nov 28How to Manage File Associations in macOS
Nov 17How to Rebuild the Spotlight Index on Your Mac
Nov 14How to Customize File and Folder Icons on Your Mac
Nov 2Eight Hidden macOS Features You Can Access With the Option Key
October2018
Oct 9How to Add, Remove, and Rearrange Menu Bar Icons in macOS Mojave
June2018
Jun 19How to Change a File Type's Default App in macOS
May2018
May 25How to Add an AirDrop Shortcut to Your Mac's Dock
May 24How to Tame macOS Hot Corners Using Modifier Keys
May 17How to Quickly Resize Images on Your Mac Using an Automator Service
May 14How to Remove GPGTools/GPGMail Encryption Plugin From Apple Mail
May 11How to Set Up a System-Wide Word Count Service on Your Mac
May 10How to Use the macOS App Switcher to Open Files, Hide and Quit Apps, and Launch Exposé
May 9How to Create File Templates on Your Mac With Finder's Stationery Pad Feature
May 4How to Remove Third-Party Accounts Like Facebook From Your Mac
April2018
Apr 25How to Float Notes Over Application Windows in macOS
Apr 23How to Enable Markup Annotation Tools in macOS
Apr 19How to Apply Color Tags to Items in macOS Finder Using Custom Keyboard Shortcuts
Apr 12How to Set Up Mail VIP Contacts in macOS, iOS 11, and iCloud Mail