PST files have a predefined size limit and when that limit is exceeded, corruption in PST files may occur. To keep the size of PST files under control, compress PST tools can be used to reduce their file size by compressing their file contents. Furthermore, attachments with PST files can also be compressed so as to further reduce their size. The compression and compaction process of PST files also help in reducing the disk space.

Xtreme Xtractor
Xtreme Xtractor is an email extraction tool which extracts emails from web pages on the internet, search engines and from local files on the hard disk.

Diggun
Extracts emails from web sites, search engines, news groups, files, email accounts, etc. Saves to CSV, TXT and XML. Multithreaded and fast. Create your mailing lists with a simple click.

Email Marketing Software Express Standard Edition
Simple and powerful Email Marketing solution with lifetime license.

GSA Targeted Email Finder
With GSA Targeted Email Finder you are able to find email based on two criteria: related to a certain keyword and based in a certain country. You simply chose both parameters and the program will find the emails for you.

Atomic Email Studio
Atomic Email Studio is a suite of e-mail marketing software combining the tools for creating and sending eye-catching newsletters, managing lists of recipients, processing subscription and removal requests automatically.