What is the Full Form of CC and BCC ?

CC - Carbon Copy

It is one of the field along with the "To" field that you may find write writing an email. The email addresses that you will mention in 'CC' box will be visible to all the recipients who receive this mail.

BCC -  Blind Carbon Copy

It is one of the field along with the "To" and "CC" field that you may find write writing an email. The problem created with CC can be resolved be BCC. You can write those mail addresses in BCC whom you want to sent the carbon copy of the mail but don't want them to know the details of other recipients.