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How to read an encrypted email sent with Office 365 Message Encryption (OME)

Follow these instructions to open a protected message sent to you with Microsoft’s Outlook Message Encryption (OME).

When you receive an OME-encrypted email, it will look similar to the screens below:
You can read encrypted messaged on your desktop or mobile phone.
The steps to open it will vary depending on whether you:
  1. Are using a Microsoft 365 email account.
  2. Are using a Gmail account.
  3. Are using some other solution for email.

Reading a protected message with a Microsoft 365 email account in Outlook or Outlook on the web

Desktop/Browser:

  • If you’re using a Microsoft 365 email account in Outlook 2016 or Outlook on the web, you shouldn’t have to do anything special to read your message.

Mobile app:

  • If you have a Microsoft 365 account and you’re using the Outlook mobile app, the message should just open.

Reading a protected message with Gmail

Desktop/Browser:
  1. Select Click here to read your message.
  2. Select Sign in with Google.
  3. You’ll be redirected to the Gmail sign-in page. Once you sign in, select Allow.
  4. Your protected message will display in a new browser tab. You won’t be able to view the protected message in the Gmail window.
Mobile app:
  1. Tap Click here to read your message.
  2. Tap Sign in with… and sign in to your email account.
  3. If you get a request for permissions, tap Yes or Allow to view the message.

Reading a protected message on any other email platform (with a single-use code)

For any other email service provider, you’ll need to obtain a single-use code to read the message.

Desktop/Browser:

  1. Select Read the message.
  2. You’ll be redirected to a page where you can sign in and receive a single-use code.
  3. Check your email for the single-use code. Enter the code in the browser window, then select Continue to read your message.

Mobile app:

  1. Tap Click here to read your message > Sign in with a single-use code.
  2. You’ll be redirected to a page where you can sign in and receive a single-use code.
  3. Check your email for the single-use code and copy it.
  4. Enter the code in your browser, then select Continue to read your message.

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