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Do you want to move it to the Trash anyway?” If a file or folder is locked, it will also cause an alert dialog to popup if you try and delete it, saying “Item _ is locked. The files or folders will now be locked, preventing any changes from being made to the file. Close the Get Info window when finished.Repeat for other files and folders as necessary.Look under ‘General’ and click the ‘Locked’ checkbox so that it’s selected, this will lock the file.Go to the File menu and choose “Get Info” (or hit Command+i).
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Locking a File or Folder on the Mac to Prevent Changes & Deletion You’ll obviously want to know the file(s) or directories you wish to lock down ahead of time, then proceed with the following instructions. Locking files and folders in Mac OS X is quite easy, and the process is the same in all versions of the Mac operating system.
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