If you are looking to move PST data to Yahoo Mail, you can use the Aryson PST Converter for direct migration. First, download and install the Aryson PST Converter on your system, then launch it and click Select File(s) to load your PST file. After scanning, choose the folders you want to migrate and click Next. From the saving options, select Yahoo Mail and enter your Yahoo email address and app password (Yahoo requires an app password for third-party tools). Next, adjust optional settings such as maintaining folder hierarchy, excluding attachments, or applying a date filter. Choose a destination folder for temporary data and click Convert to start the migration. The tool will upload emails, contacts, calendars, and attachments directly to your Yahoo Mail account while preserving structure and metadata.
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To move PST data to Yahoo Mail?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. It easily download Yahoo Mail emails with 30+ saving options to take backup of Yahoo email account. Users can migrate Yahoo emails to Outlook, Gmail,- Outlook.com, Office 365, Exchange Server, etc.This tool enables user to backup multiple Yahoo Mail accounts without any limitations.
Step 1 : Install the Yahoo Archive Tool first, then select Yahoo Mail from the Email Source List.
Step 2: Enter your Yahoo login credentials here and click the "Login" button.
Step 3: Click the backup button after setting the desired saving option and adjusting the filters.
Check for more details at: https://www.mailsbackup.com/yahoo/