Creating a Passworded/Locked Folder

I'm sure there's an easy way to do that. I don't know.

But I do have an alternative. Use Disk Utility to create a Disk Image. Size it for whatever you want, or make it a ballooning image. Put a password on it for mounting, make sure you don't put that password on the Keychain.

Now, whenever you need access to that image, double click it and it'll prompt you for a password. Eject it when finished. Leave the image on the desktop or in the dock if you like.

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Disk Utility -> New Blank Image -> Set size generously, Encryption to AES-128 and Format to sparse disk image (that way the image will only take up the space of whatever you put into it). Choose a safe password and verify it but remember to uncheck the Remember password (add to Keychain) check box (this also applies the first time you open it).



You will then get a sparseimage file that opens up like any disk image, but requires password to do so.



Edit: Too slow... shouldn't have bothered with the screenshots...