Following are the steps that you can take to export your OpenPGP keypair from eM Client.
1. Go to Menu -> Settings.
2. Go to Signing and Encryption -> Certificates and Keys and double-click on the keypair to export.
- Make sure that My certificates/keys tab is selected.
3. Click on Export -> Export PGP keypair….
For more info on security certificates and keys, check eM Client documentation. This OpenPGP keypair can subsequently be imported in Mailfence.
If you still face issues in exporting your OpenPGP keypair from eM Client, then send us an email to support@mailfence.com (PGP key).