How to Lock Folder on Mac

How to Lock Folder on Mac

Locking essential files and folders is an important feature that keeps your Mac-based systems. It helps prevent changes in important documents and folders, and prevents accidental removal of files from the system. 

The system doesn’t transfer the files to the Trash folder when a file or folder is locked. Hence, it provides an additional layer of security, making it a must-have feature for students and commercial users. 

Interestingly, there are some easy ways to lock folders on your macOS. Regardless of what version you might have, you can apply these techniques on any Mac OS X or later version. 

Know your Folders 

Firstly, it is essential to know the files or folders you wish to lock in your system. So, it’s a good idea to keep track of the location somewhere you won’t forget, just in case you cannot find the required folders when needed.   

Once you know your folders, here are some easy ways to lock the folders. 

Access the Mac Finder 

Mac Finder allows the user to access all the files and folders on the macOS. First, use the Finder to access the required files. Then, select the files you wish to lock in the system. 

Locking the Files 

Once you have selected the desired files, go to the File menu, and select ‘Get Info.’ Alternatively, you can press ‘Command + I’ to do the same. 

Get Info of file on Mac

Now, select the ‘General’ tab and click the ‘Locked’ checkbox to lock your selected file or folder. Now, you can repeat the same process to lock all the folders and files you want to. 

Once you’re done with locking all the files, close the Get Info window. Now, all your files and folders will be safe, and you can avoid accidental deletion or changes to your files. 

How Locking Files and Folders Can Help 

If you accidentally delete or try to remove a locked file, it will prompt you to confirm the deletion. A popup message appears, telling you that the selected item is locked. However, if you still wish to remove the file, you can do that anyways. 

Alternative Methods to Lock Folders on Mac 

The method we just saw can lock a folder on any Mac machine. However, there are a couple of other options too.  

You can use the Disk Utility option to preserve files. It is an easy option and doesn’t require any advanced tool for locking essential files and folders. 

Disk Utility option on Mac

It also allows you to password protect important files and folders just in case someone can access the folders or files. Moreover, you can use encryption methods and third-party tools to access advanced features for protecting and locking critical folders in your Mac. 

Unlocking Folders on Mac OS 

While locking the folders is critical, it is also essential to learn how to unlock them. This feature lets you free the locked folders and files if you don’t want any added protection. Unlocking folders is just a reverse process of how you locked them initially. 

So, Press ‘Command + I” in your system and uncheck the ‘Locked’ option in the general tab. This will unlock the selected files in your system. 

It is also essential to know that it will require admin privileges, whether it’s locking or unlocking the folders. In case you don’t have the privileges, you will need to enter the Mac password. 


Locking virtual folders and files can be critical for commercial setups where multiple users use the same computer. It is one of the more critical hacks for mac users to make their operations safer and smoother. 

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