SysInfoTools has released major update of Award Winning SysInfoTools PST Compress and Compact Tool. Latest v5.0 represents our commitment towards providing our users more efficient and effective software for their specific needs. In the latest version of SysInfoTools PST compress and Compact we have fixed various stability and performance related issues. All pending bugs has been fixed which were found by our staff and by our valuable customers. This release is also a cumulative update of all minor versions which were released since previous major update. Now Software supports 64-Bit MS-Outlook version. A separate build is released on product page. Demo version is available for free to assess its functionality and usefulness.