The app is built for .eml and common Outlook .msg email message files.
Help and support
Support for EML & MSG Viewer
Get help opening files, exporting PDFs, handling attachments, and understanding privacy settings.
.pst, .ost, .mbox, .olm, .mht, .oft, and winmail.dat are not part of the current release scope.
Remote Content can be turned off in the app for local-only viewing and PDF export.
The app does not create accounts or store user data on developer-operated servers. For privacy questions, email support or review the privacy policy.