Steps to convert Outlook PST files as Yahoo Mail :
For converting Outlook emails to select Yahoo Mail saving output format.
After selecting Yahoo Mail saving option, provide the login details your Yahoo Mail account.
Next, select the checkbox appearing next to "Date Filters" option, to save data with the particular date range.
As you click on Convert button the software will start the migration process of Outlook PST mailboxes to Yahoo Mail. The export process will display every detail about the conversion such as the current file progress, item count, status, size etc.
Once the tool completed with the procedure, it will show an alert window showing successful completions of migration process. Click OK button to finsh the process.