[Email File Format APIs Open Source APIs for Email File Formats Read, Write, Convert & Manipulate files from Microsoft Outlook. Email File Format APIs Include Free Email APIs for .NET Open Source .NET libraries for working with Outlook email file formats such as MSG and EML without using MS outlook. Free Email APIs for Java Java-based open source libraries for email file formats such as MSG. Read, write or manipulate MSG files using Java programming language. Free Email APIs for C++ Open source C++ APIs for email files. Read, write & extract attachments from MSG & EML files via C++. Free Email APIs for Python Read and extract email messages from outlook MSG file format using Python-based open source library. Free Email APIs for PHP Free PHP libraries that allows sending email messages using SMTP, sendmail, postfix, or custom transport implementation in PHP applications. Free Email APIs for Go Create, Read and manipulate email messages via Open-Source GO APIs. Free Ruby Email APIs Ruby Open source Rubylibraries allows to create Ruby-based email management software applications to send simple and MIME type email messages with the OAuth feature. Free Email APIs for Swift Read, write MSG files via Swift. Also, create and send email messages to any SMTP sever.]