ToolsBaer Outlook PST Compact Software is a reliable & useful utility specifically designed to reduce the size of large & bulky Outlook PST files. This tool securely compresses PST files without any data loss, thereby improving Outlook's performance. The software reduces the PST file size by removing unnecessary empty space while preserving all data, including emails, attachments, contacts, calendars, tasks, & more. Users can easily compact one or more PST files using this tool. Outlook PST Compact Software supports all major Windows operating systems, including Windows 11, 10, 8.1, 8, 7, & older versions. It is also fully compatible with all versions of MS Outlook. The tool features a very simple & user-friendly interface, making it easy for even non-technical users to operate. Only a few steps are required to add the PST file, preview its contents, and start the compression process. If your Outlook PST file has become excessively large & Outlook is running slowly or crashing, Outlook PST Compact Software can be an effective & safe solution.