Norton 360 Backup Failed due to encyrpted files

Two questions:

 

1) How do I find out which files are encrypted? (This computer has been used to back up other computers...)

 

2) Does the message mean the entire backup failed - or just that the encypted files didn't back up?

Two questions:

 

1) How do I find out which files are encrypted? (This computer has been used to back up other computers...)

 

2) Does the message mean the entire backup failed - or just that the encypted files didn't back up?