<human>:  How do I import a PST file to Thunderbird?
<bot>: Import a PST File to Thunderbird
1. Enable IMAP in your Gmail account.
2. Connect your Gmail account to Outlook.
3. Import your PST file into Outlook.
4. Copy your imported information to your Gmail account in Outlook.
5. Connect your Gmail account to Thunderbird.
6. Your PST file is in your Thunderbird account.