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If necessary, reorder the columns in the file from which you intend to import so that it matches the order of those in the export from Thunderbird. Load the exported file into Excel (or some other spreadsheet program) and do the same with the data file from which you previously exported from Win Mail. Click on the name of the new address book, then use menu path Tools->Export->Address Books->give the output a name and select "save as type" Comma Separated (CSV). Next, manually create at least one record in the Personal Address Book in Thunderbird, then export the data from that address book. To import the address data, export the address data in Win Mail to a CSV format file. You can import these message files with ImportExportTools extension. Windows Live Mail stores it's messages in the.
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If you have been trying to use the import option for Outlook Express, that would explain why it has not been working. Windows Live Mail was released by Microsoft AFTER Thunderbird 2.x was released so there is no direct import facility in Thunderbird 2.x that is intended to work with Win Mail.
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