Gpg4o is a Microsoft Outlook Add-in which implements the OpenPGP standard through GnuPG. It is available for Outlook 2010 – 2016 and focuses on simple handling and good integration into Outlook. It also provides special features for commercial usage.
- Developer/Publisher: Giegerich & Partner GmbH
- License: Proprietary (Closed Source)
- Price: gpg4o offers different types of enduser licenses
- Free version for no commercial use
- 56,36€ for commercial use
- Web: https://www.giepa.de/products/gpg4o/?lang=en
- Help: Support is only available for pro users