If you’ve forgotten the password of your Outlook PST file and can’t access your important emails, the easiest solution is to use Advik PST Password Remover. This tool helps you remove forgotten or lost passwords from PST files without needing the original password. It works safely, keeping your emails, attachments, contacts, and calendar entries completely intact.
Here’s how you can remove a forgotten PST password using Advik PST Password Remover:

Download and install Advik PST Password Remover on your Windows computer.

Launch the software and click on Add File to load your password-protected PST file.

Choose a destination folder to save the unlocked PST file.

Click the Remove Password button to start the unlocking process.

Within moments, your PST file will be unlocked and ready to open without any password.

https://www.adviksoft.com/pst/password-remover.html