Outlook PST Compact Tool is one the most premium software that helps the users to compress the large PST files. This software provides a demo version which consists of 50 free email compression. This software has a simple layout where technical and non-technical users can use this utility with ease. It can compress single and multiple PST files all at a time. This tool allows users to save their resultant file according to their custom location. It is widely compatible and runs on all updated versions of windows. This tool is safe & reliable and doesn"t harm any data during the size reduction of file and maintains the data integrity.