Mailtrail
Free version Buy a license
🔒 100% local: your email never leaves this computer. Files are read and converted inside this browser tab. Nothing is uploaded; the only network request is the optional license-key check.

Drop your email archive here

.mbox (Gmail / Google Takeout, Thunderbird, Apple Mail) · .eml files, a folder or a .zip of them · Outlook for Mac .olm · Outlook .pst / .ost

Need the archive first? Gmail / Google Takeout · Outlook for Mac (.olm) · Outlook for Windows (.pst) · Thunderbird · Apple Mail