If you want to upload PST files to Office 365 without having to do any difficult manual steps, the Recoveryfix Import PST to Office 365 tool can make the process way easier. It helps in moving PST files directly into Office 365 mailboxes while keeping emails, attachments, folders, and formatting...
I completely understand how frustrating it is to get locked out of your own files. You can try using the Recoveryfix PST Password Recovery tool. And don't worry this will not corrupt your PST in any way.
It is a simple program that doesn't need Outlook to work. You just select your locked file...