Morning,
All of these providers have encryption as standard although we all know about Edward Snowdon's revelations...
In terms of using your emaiil, here is a new email service that you may not have heard of...
ProtonMail:
This mail service allows you to send encrypted messages (that cannot be intercepted by any government) to anyone of wish you want to contact, it also encrypts all of your mail on the account, it allows you to set up two passwords, one for logging in and one for decrypting your mailbox.
In terms of your cloud storage, these should already be encrypted and you don't have anything to worry about.
Note:
After registering with ProtonMail it may take up to a week until you get a response as they are currently accepting user's one by one due to high demand.
Reference: https
/protonmail.ch/
Many thanks,