To remove forgotten password from PST file, you can use the Advik PST Password Remover Tool. This powerful tool works with Outlook versions like 2019, 2016, 2013, and earlier. You don't need to have Outlook installed to use it, and it won't change any of your original email data. The software has a simple interface, so even beginners can recover PST passwords easily. It supports both ANSI and Unicode PST files and lets you copy and save the recovered password safely. It also maintains full data security and works well on various Windows systems.