Most reliable solution for Gmail Backup ?

Download Gmail Backup Software, which is made up with highly advanced feature for taking backup of  Gmail account with attached files(contacts, notes & attachments calendars, emails, task) without losing single information from Gmail account, it is an most expert suggested tool for safe and efficient backup of deleted, corrupted email without any additional help of other application. Users can also migrate Gmail to webmail accounts such as  Zimbra, Thunderbird, Gmail, Windows Live Mail, Lotus Notes, Rediffmail, Office 365, Exchange Server,  Hosted Exchange Server, G Suite,  Amazon WorkMail, IceWarp, IMAP, IBM Verse, Outlook.com, Yahoo, etc.