If you are required to convert your outlook mails that may even contain some attachments to PDF file than the best tool is “PST to PDF converter”.The best part of this tool is that it shows the selected file in tree structure so that we can convert only that part file to pdf which is needed. It will even help you to recover your corrupted mails. Recovery of corrupted mails is done through 3 modes that are standard advanced and deep and modes are used according to the degree of corruption.It take snapshots of recovery that can be reused if required. This tool is called best tool for conversion not only because of security feature but also because it have a feature that save your time and efforts to find location of PST file . It automatically search the PST file that need to be migrated.This tool also contain log files in text form which contain information regarding conversion process so this can be used for collecting information for files.This tool also have an option that provide “header allignment error” before conversion process.The 32-bit ANSI and 64-bit UNICODE encryption in PST file are also supported in this tool.It supports compressible, high, deflect and no encryption types of encryption. This tool is very interactive for technical as well as non technical user because this tool can be easily run without any complications .It is supported in all version of outlook and windows operating system.This tool also have free version which is used for demo purpose that have limt of 25 mails . You can download it from any authenticate site . For full version you have to buy license to operate it . It is highly adaptable softwae tool.