To add Yahoo Mail to Office 365 account, you can try CubexSoft Yahoo Mail Backup Tool that is helpful solution to directly add Yahoo Mail to Office 365 account. It can simply add Yahoo Mail data to O365 with attachments. The utility supports to add Yahoo Mail to O365 with metadata, formatting, images, etc. You can try it that can export 25 emails from Yahoo Mail to Office 365 account at free of cost. https://www.cubexsoft.com/yahoo-mail-backup/
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If you want to backup of the yahoo mailbox then I would like to suggest you can also try MailsBackup Yahoo Backup Tool to backup Yahoo email Accounts folder to hard drive, PC or webmail. Check for more details at: https://www.mailsbackup.com/yahoo/
If you want to backup of the yahoo mailbox then I would like to suggest you can also try MailsBackup Yahoo Backup Tool to backup Yahoo email Accounts folder to hard drive, PC or webmail.
Check for more details at: https://www.mailsbackup.com/yahoo/
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