DRS PST Compress Tool is a freeware software that has many advanced features to compress large PST file into several small Outlook PST files with ease. The software keeps the original data intact while compressing or compacting Outlook PST files. The software is helpful in the scenario where Outlook data files reach their maximum limit and are unable to store new emails. In that case, DRS PST Compress tool can help you in compressing or reducing the Outlook PST file size just in a matter of minutes. The software allows you to select single file as well as multiple files to perform compress tasks. Using its preview option facility, you can preview of the emails in the preview pane of the software. Using its remove all attachments from new PST file feature, you can remove all the attachments within the Outlook PST file. Furthermore, the software offers you to remove the attachments in a new PST file and compress them into a separate folder. The user interface of the software is simple and easy to use. No matter whether you are a technical person or a novice user, you can easily operate the software without any technical assistance. The software works well with both the MS Windows and Mac OS versions. It comes with two licenses i.e., Demo and full version. The demo or trial version of the software has some limitations. Using the demo version, you can compress or compact only 50 email items per folder for free. If you want to compress unlimited Outlook PST files without any restrictions, you can simply purchase the full version of the software.