I switch to a Windows laptop and want my mail from Outlook for Mac as a PST. I only see an export to a file with the .olm extension. Is there a PST option?
Can Outlook for Mac export my mail to a PST file?
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Email & Outlook
WZ
Willa Zimmer November 10, 2026
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No. Outlook for Mac exports to OLM only. PST is the Windows format. Outlook for Mac can import PST files, but it can not write them.
Your options:
• Move the mail with your account. If your mail is IMAP, Exchange or Microsoft 365, add the account in Windows Outlook and it syncs from the server. This is the cleanest way.
• For mail that exists only in the Mac (POP or local folders), drag those folders into an IMAP account on the Mac first so they sync to a server, then select them up on Windows.
• Use a conversion tool that reads OLM and writes PST. Test the result with a few folders before you trust it.
Keep the OLM file as a backup either way.
Mine is Exchange, so the new laptop just synced it. Easy. Thanks.