In the first step, download and install the Mail Backup X Application on your Mac(http://www.mailbackupx.com/yahoo-email-backup-software.html).

Once the installation is completed. Launch Mail Backup X from the Applications / Quick Launch Menu.

You may start the fully functional yahoo Email backup software  trial run of 15 days or if purchased Activate the Application.

You will be presented a choice to set up a New Backup Profile. Please Choose Setup a New Backup Profile.

• You Will be presented options for Mail Clients / Services > Choose Gmail / Yahoo / AOL / IMAP / POP depending on which service you would like to be set up for backup on your Mac and proceed to next step.
• You will be requested to enter username and password; App will automatically set server options for Gmail accounts.
• Whereas for other service providers, you will be requested to enter server settings as per suggested by your mail service provider.
• You will be presented with folder structure from Gmail / Yahoo / AOL / IMAP / POP based on service provider setup for backup on your Mac by you. Please select/ deselect the folders you would like to backed up from Postbox Mac Mail Client.
• Now you are presented with Advanced options like Frequency of Mail backup (select Automatic as its recommended or you may choose the days and time frame for backup), You may also choose to add and setup Mirror locations for multiple copy of backups for extra security. You May also activate the Auto USB Sync. So, whenever you connect the USB drive, it automatically copies and syncs a copy of local backup to the USB Disc in the background automatically.
• Backup Profile is setup and now your mails from Gmail / Yahoo/ AOL / IMAP / POP Mail service provider are set to be backed up as per the options and settings you selected during the previous steps.

What are the advantages of yahoo backup tool ?

• This back up tool has the user friendly interface which makes the user comfortable with it.

• It allows the user to backup and restore emails from Apple Mail, Mac Outlook, Office 365 for Mac, Thunderbird, Postbox when they arrive.
• It is capable to back up emails from online service providers and email clients to Mac users around the world who feel responsible enough to Make backup copies of your Mac.
• The user will get 24*7 hours customer support with this mail backup tool.
• It creates a future-proof, accessible, searchable file of all your emails and accounts.
• It helps you preserve and protect incoming and outgoing email messages from your personal or business email accounts specifically designed for archiving and printing purposes.
• This yahoo email backup tool supports Unicode content.
• It compresses and extracts files to greatly reduce the storage space required and the transmission times for your email profiles backed up.
• The user can take a look at all your archived emails, without the need to switch between multiple email clients.