You can lock every common file type, be it images, PDFs, word files, etc., using Apple’s suite of first-party applications – Preview, Photos, Pages, Notes Numbers, and Keynote.

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To lock a file: SetFile -a L front_door.jpeg (capital L) To unlock a file: SetFile -a l front_door.jpeg (lowercase l) This Mac 911 article is in response to a question submitted by Macworld reader ...

When you need to send a file to another Mac user, there are multiple options. Follow these steps to accomplish the task using macOS' integrated Bluetooth File Exchange.

Turn your folder into a .dmg file to protect sensitive files To create a password-protected folder on your Mac , follow these steps to turn your folder into a disc image file (.dmg). 1.

In iOS click on Lock Now – you’ll find that at the bottom of the screen. On a Mac click on the padlock icon in the menu and choose Close All Locked Notes. How to unlock notes without the password ...

Mac computers have four types of file permissions, ... Once the change is made, click the "lock icon" to lock it again and close the Get Info window. Changing Ownership of a File or Folder.

Step 3: Next, click the Protect workbook button. From the drop-down menu, select Encrypt with password.. Step 4: Excel will then prompt you to type in a password. Pick one that’s complicated and ...

You can read it from the command prompt with (Mac/Linux): cat file.txt. Another way to decrypt the file is with this command: gpg -d file.txt.gpg. This is the same as before but with a “-d” option as ...