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Best Answer: With the all-new Yahoo Mail, there is no option to import pst files. However, in the Yahoo Mail Classic the only thing you can import are contacts in the address books. Here are the steps to do import/export of contacts: 1. Choose a program to import contacts from: Yahoo! (.CSV file)
Export Your PST File from Outlook. From Outlook, click the File menu and select Import and Export.. Select Export to a File on the Import and Export Wizard. Click Next.. Select Microsoft Excel 97-2003 as the file type to create on the Export to a File dialog box.Click Next.. Your PST folders will display in a directory tree. Select the data you want to export from the directory tree.For example, if you want to export your address list to Excel, select the Contacts folder. Click Next.. Type a name for your data file.elect Microsoft Excel 97-2003 as the file type to create on the Export to a File dialog box. Click Next.. Your PST folders will display in a directory tree. Select the data you want to export from the directory tree. For example, if you want to export your address list to Excel, select the Contacts folder.