Save, archive or delete Email

reading articles on computerworld HK. 10-Nov-2005

It mention about the srchiving/backup email message.

backup versus archiving
archinving and backup are two distinct and separate operations. Archiving files data no longer required for immediate access-backup enables speedy recovery of data in the event of data loss.

Due to increasing mail storage, i recently lazy to delete mail and categorize it. let it go... but a month back to the mail box... Sh.... so much.. including spam and Cc mail.