It seems like some of your files are hidden by default on Mac OS X Sierra. You can make your Mac show those hidden files or hide some more files by changing some of the settings manually. It just requires few steps. For those who have recently upgraded to Sierra and willing to know the process to show/hide hidden files, here are the two easy and simplified approaches. #Method 1: Sometimes it is better to take a long way home! So here we go with the long way to show or hide Mac OS Sierra hidden files.
Select ‘ Finder’icon on the Mac dock, then go to Applications Utilities and choose Terminal icon. In the terminal window, type the command ‘ defaults write com.apple.Finder AppleShowAllFiles YES’ and press enter. Select ‘ Quit Terminal’ from the terminal menu and return from the Terminal program. Press and hold the ‘ Option/alt’ key, then right click on the Finder icon in the dock and click Relaunch as shown below This must show all the hidden files. To undo this process, meaning to hide the files again the same above steps must be followed but with a modified Terminal command which is: ‘defaults write com.apple.finder AppleShowAllFiles NO’ #Method 2: Using Aliases Well, an Alias is a simple shortcut for one or more commands.
![File extensions for mac File extensions for mac](/uploads/1/2/5/6/125605093/684270766.png)
We aim to cover the whole of macOS/Mac OS X System Preferences in this article. Setting up Internet accounts in macOS Sierra; Extensions in macOS Sierra. Show Scroll Bars adjusts how scroll.
In this method you need to first setup the alias command for hiding and showing up the files on Mac Sierra. Later, you can just use that alias name as command any number of times. Thus reducing the long way.
![Mac Mac](https://storage.googleapis.com/igeeksblog/wp-content/uploads/2017/04/Show-Hide-File-Extension-on-Mac.jpg)
If you’re a new Mac user, you may miss seeing the file extensions (like “.pdf,” “.docx,” “.jpg,” and others), when you’re viewing a directory in a macOS Finder window. (They’re turned off by default in macOS.) Here’s a quick way to turn them on. How To Show File Extensions in macOS Finder 1.) Open a new Finder window on your Mac Desktop, or just click in an empty area on your Mac’s Desktop. 2.) In the Menu Bar, which should be Labeled “Finder,” click on “Finder” and then click on “Preferences” in the pull-down menu.
3.) In the Finder Preferences window that appears, click on the “Advanced” tab. 4.) Click the checkbox that says “Show all filename extensions” to select it. (If you decide to hide the file extensions, you can come back here and click the box to unselect it.) Now, Finder will show the filename extensions for the files when you open a Finder window, making it a bit easier to tell which type of files you’re viewing. For more tips and tricks on how to make better use of your Mac, iPhone, iPad, iPod touch, Apple Watch, or Apple TV, be sure to.