How to boot Mac in safe modeHow to boot a Mac in safe mode on Apple silicon and Intel, how to tell it worked, what safe mode does and how to leave it.
How to boot Mac into Recovery ModeHow to boot a Mac into Recovery Mode on Apple silicon and Intel, Internet Recovery key combinations, and what you can do in macOS Recovery.
How to delete Pods and clear CocoaPods cache on MacHow to delete the Pods folder, clear CocoaPods cache with pod cache clean --all and remove the old master spec repo on a Mac without breaking your project.
How to AirDrop from iPhone to MacHow to AirDrop from iPhone to Mac: let the Mac be found, send from the Share menu, where the files land, and what to do when the Mac doesn’t appear.
How to delete conda environments on MacHow to delete conda environments on a Mac with conda remove or Anaconda Navigator, export them first, and clear the package cache with conda clean.
How to print screen on MacHow to print screen on Mac without a Print Screen key: Shift-Command-3, 4 and 5, where screenshots are saved and how to copy one to the clipboard.
How to cut and paste on Mac: text and filesHow to cut and paste on Mac: Command-X and Command-V for text, Option-Command-V to move files, Paste and Match Style, and pasting on an iPhone.
How to change Mac nameHow to change Mac name in System Settings › General › About, how to change the local hostname, and where other devices see the name of your Mac.
How to connect AirPods to MacHow to connect AirPods to Mac through your Apple Account or Bluetooth settings, switch sound to them, and what to do if they don’t show up.
How to clear Chrome cache on MacHow to clear cache in Chrome on Mac without losing passwords or sign-ins: the Delete browsing data window, its shortcut and what each box deletes.
How to downgrade macOSHow to downgrade macOS to an earlier version: get the installer, make a bootable USB drive, erase the Mac, install and restore your files.
How to clear Mail cache on MacHow to clear Mail cache on Mac: see how much space Mail takes, erase deleted mail, limit attachment downloads, rebuild a mailbox and remove old accounts.
How to speed up a slow MacHow to speed up a Mac: find what slows it down in Activity Monitor, free disk space, trim login items, update and restart. No myths.
How to clear Teams cache on MacClear the Microsoft Teams cache on a Mac the way Microsoft documents it: quit Teams, delete two folders, restart. When it helps and what stays.
How to lock screen on MacHow to lock screen on Mac: Control-Command-Q, the Apple menu, Touch ID or a hot corner, and how to make the Mac lock itself when you step away.
How to undo on Mac: Command-Z and redoHow to undo on Mac with Command-Z or Edit › Undo, redo with Shift-Command-Z, undo a file move or delete in Finder, and go back to an earlier version.
How to create a folder on MacHow to create a folder on Mac: File › New Folder or Shift-Command-N, a folder on the desktop, New Folder with Selection, and why New Folder is dimmed.
How to clear Go cache on Mac: go clean -cache and -modcacheHow to clear the Go build cache and module cache on a Mac with go clean -cache, -modcache and -testcache, and why rm -rf fails on ~/go/pkg/mod.
How to clear temporary files on MacWhat temporary files are on a Mac, how to clear them safely (a restart does most of it) and which temp folders you should never delete by hand.
How to update MacHow to update Mac in System Settings › Software Update, what to do before you start, how to turn on automatic updates and update App Store apps.
Why is my Mac so slow? Check the disk firstWhy is my Mac so slow or slow to start up? Most often the disk is nearly full. How to check free space, login items, memory and the disk itself.
How to select multiple files on MacHow to select multiple files on Mac: Command-click, Shift-click, Command-A and dragging a box, with a mouse or on a MacBook trackpad.
How to reset SMC and NVRAM on MacHow to reset SMC on Mac with Apple silicon, Intel with T2 and older Intel, and how to reset NVRAM (PRAM) on an Intel Mac, with Apple’s exact keys.
Large file finder for Mac: find big and old filesA large file finder for Mac lists your biggest files in one place. How to find big and long-forgotten files with MacWashing and delete the ones you don’t need.

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