Mac says Filevault secure all my files. -first i wanna know that it really secure them or its better i use a more secure software like truecrypt or something ? -second problem is that it says secure home files. so its mean only files which is in home folder ? ok but i have tow Drive (C , D) and drive C is about 40 Gig and Drive D is more than 200 Gig. i choose drive D to store time machine backups. its mean all my home files will backuped @Drive D which Filevault won't encrypt them. what i have to do to secure my time machine backup files ?