This video tutorial is in the Computers & Programming category where you will learn how to encrypt files & folders on a Mac with TrueCrypt. Open up TrueCrypt and click on create volume > create an encrypted file container > next > standard truecrypt volume > next. Here you name your file, choose the directory where you want to put the file and click 'save'. Choose the encryption type and click 'save'. Choose the volume size and click 'next'. Now type in a password and click 'next'. Then in the format options, select 'FAT' and click 'next' and click 'format'. That's it! You have successfully encrypted the file.