A unique program called the Softaken Compress PST Program enables users to decrease the size of Outlook PST files without erasing any crucial data. The contacts, calendars, emails, attachments, and other data are protected by the Compress PST Tool while the PST file is being compressed. People or companies who want to compress a lot of Outlook PST files can find this selection to be very helpful. The user interface is simple to use, so no technical expertise is required. The most basic technique for compressing PST files is to do so without installing any additional software, such as Microsoft Outlook. To test the program’s functionality, download the free demo version.