Click on the Select File… button in the main program window to open the encrypted file container you just created.
Highlight an unused drive letter and choose Mount to open that container as a virtual disk on your computer (you’ll be prompted for the password you created). Your container will then be mounted as a drive letter on your computer and you will be able to move files and folders you wish to protect into that virtual drive. (For example, on a Windows PC, go to the “My Computer” directory and cut and paste files/folders into the new TrueCrypt drive letter you’ll find listed there.)
Tip: Make sure you click "Dismount" in TrueCrypt before removing encrypted external drives like your USB disk.
