Someone sent you an email from an Office 365 account that was encrypted and you need to open it.
You need to log into the web portal to retrieve the message.
- Open the email and double click on the Message.html attachment it will bring you to a web page asking how you would like to log in.
- Option 1 for logging in is using a Microsoft account. Option 2 is using an Organizational account. Use option 1 if you do not have an existing Office 365 account. If you do not have a Microsoft account either, go ahead and select Option 1 and create a Microsoft account.
- Once logged in with a proper account you will be able to read you message.