How to Reset a Lost Outlook's PST file's Password?

Follow as per below:

1) Open the home of Outlook.

2) Go with this link can’t access your account.

3) Click on I forgot my password and go “Next”.

4) Enter your Outlook address In the field "Microsoft account",

5) Select a verification way. These comprise Email, Text, or I don’t have any of these options.

6) fill the verification form if it is required.

7) Get and type your verification code

8) Create a fresh password.

9) Attempt to log-in to your account.

Or you can try the Shoviv PST Password Recovery.