[Email File Format APIs for Java Open Source Java APIs for Email Files Read, Write & Extract Attachments from MSG files via Java. Email File Format APIs for Java Include Aspose.Email for Java A powerful Java API allows to create, edit, parse and convert Outlook Email messages formats such as MSG, EML, MBOX, PST, OST & MHT via Java library. Apache POI HSMF Java implementation of the Outlook MSG format providing low-level read access to MSG files along with a user-facing way to get at the common textual content of MSG files. Java-libpst Develop Java applications having the ability to Read and convert Microsoft Outlook PST Files using open source Java libraries. Simple Java Mail Open dource Java library supports creating email message with attachments or encrypt/decrypt messages, CLI support, S/MIME support and advanced batch processing. Email4J Free Java library allows to access, read, send Email messages. You can add attachments, mark emails, move messages, delete a particular email inside Java apps.]