From Kite Email Converters:
Kite WebMail Converter gets emails from online mail accounts and converts them to documents or images. Kite WebMail Converter supports all major online email services and can convert emails from Yahoo, Gmail, Hotmail, Zimbra and others. Among the supported output formats are PDF, JPEG, TIFF, TXT, HTML, DOC, xHTML and EML. The program can be used for multiple emails accounts at once. Batch email conversion helps to combine many messages into one and convert them together in one file. Kite WebMail Converter processes attachments too. There are a few modes available: saving attachments to a folder, unzipping attached files or inserting attached pictures into converted email copy. Converting specific email fields is also supported. Like all Kite Email Converters this tool has a transparent interface good for beginners.