Recently I wrote a post about how you can configure then send and receive encrypted messages using Office 365. Microsoft has recently announced the release of dedicated mobile apps for Android and iOS that allow you to read these messages on your mobile device.
You can find the download at:
This means you can read and reply to Office 365 encrypted messages. This should make the adoption of secure messaging much easier as well as highlight that Microsoft is serious about the privacy and security of your information.
CIAOPS 