Enabling Microsoft Office 365 Message Encryption ^īefore you can use the Microsoft OME feature, you need to have a plan that supports it. This means you don't have to purchase additional services to ensure you have encryption for your email data at rest. They use BitLocker Drive Encryption in their datacenters to encrypt email data stored locally on the hard drives of the hosted environment. With Microsoft Office 365 Message Encryption, emails are encrypted 'in-flight.' However, Microsoft already has 'data at rest' encryption taken care of by default. Does Microsoft Office 365 Message Encryption encrypt data at rest? If businesses must control and prevent users from forwarding and printing encrypted emails, they will need another encryption solution. It does not prevent users from forwarding or printing an encrypted message received using OME encryption.

Note: There is an important limitation to be aware of with Office 365 Message Encryption (OME). Fits many use cases, including a bank sending credit card statements to customers, doctor's offices sending medical documents to patients, attorneys sending confidential legal information to clients, etc.Requires no installed software for the sender or receiver.Provides granular controls as to which emails are encrypted and which are not.Works with a recipient email address outside Microsoft 365, including, Yahoo, Gmail, and others.

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