Transferring emails from Outlook to Mac Mail is possible, but it is not as straightforward as moving a single file because Apple Mail does not read PST files directly. PST data usually needs to be converted or routed through an intermediate format like MBOX or an IMAP account before it appears in Mac Mail.​ https://www.tumblr.com/vsoftwareemailrecoverysoftware/802167440260972544/how-do-i-transfer-emails-from-outlook-to-mac-mail