Do you use POP and keep emails locally on your Mac? If you're using IMAP then you could just add the account(s) you use to Mail while keeping Thunderbird to ensure you have everything.
Do you use POP and keep locally on your Mac? If you're using IMAP then you could just add the account(s) you use to Mail while keeping Thunderbird to ensure you have everything.
Do you use POP and keep locally on your Mac? If you're using IMAP then you could just add the account(s) you use to Mail while keeping Thunderbird to ensure you have everything.