Stellar Phoenix Compact PST is simple, fast, and secure tool to compact large PST files without making any modifications to its original data. This tool compacts the PST file by separating attachments and saving them on a different folder of your system’s hard drive. After compacting PST file, the tool leaves the shortcut of all the attachments in the mail itself, thus you never feel that your attachments are separated. This tool not only compacts Outlook PST files, but it also compacts over-sized Outlook OST files into smaller size. In this way through this utility, you can get rid of corruption of PST/OST files. Moreover, if you set preference, then this software will automatically pick Incoming and Outgoing emails to compact accordingly. You can also compact PST files of specific folders and apply settings to compact PST files from this folder only. This software also facilitates filters through which, you can extract attachments of certain File Types. If you find that the drive containing attachment folder is almost full, then you can change the path of attachments folder. The software is smart enough to update previously saved interlinks between mails and their corresponding attachments. To start compacting of large PST files automatically at specified date and time, you can apply scheduler. With all these useful features, this software appears as ‘Add-In’ on your Outlook. After installing this tool on your system, you can see its small icon at the top left corner of your MS Outlook. This feature provides ease of use as you need not to search any shortcut or desktop icon of this tool. You can also filter out attachments of specific file type through ‘Exclude Extensions’ option of this software. To evaluate this tool, exploring its features, and understand its working, you can download its free demo version. The software provides free trial version for 15 days. However, for permanent compaction you can purchase the license of this tool, which bears nominal cost.