Email Viewer integrates the excellent Email to PDF Converter into Nextcloud, enabling you to view .msg and .eml files.

• Nextcloud 28 or newer
• Viewer and PDF Viewer for Nextcloud
• PHP proc_open
• Email to PDF Converter (requires OpenJDK and wkhtmltopdf)

• Download and enable files_emailviewer
• Store a copy of the Email to PDF Converter on the server, ensuring that Nextcloud has access to it.
• Set the path to Email to PDF Converter via occ config:app:set --value /opt/emailconverter-3.0.0-all.jar files_emailviewer binary_path.
• Upload a .msg or .eml file and view it directly in Nextcloud 🙌

• If the email contains images from external sources, the Email to PDF converter will download the images, requiring external connections.
• The current version does not consider Nextcloud's proxy configuration but should follow the system default.

npm ci
npm run build