The easiest way to export a PST file from Outlook.com is through the Microsoft Outlook desktop app. Add your Outlook.com account to Outlook, sync mails and then create a PST file using the Export option. This method is reliable but requires Outlook to be installed. If Outlook is not installed or you want to export directly without the app, DataVare Hotmail Backup Software is a useful option. This tool exports emails directly from an Outlook.com account to the PST format. In this folder structure, attachments and all email details are completely safe. This software runs on all versions of Windows OS and its free trial is also available so that it can be tested first. This makes it very easy to create and back up PST files. If you want to extract a PST file from Outlook.com, then this tool will prove to be very helpful.