Microsoft 365 protected messages are used to send confidential or sensitive email content to protect privacy and security. If you’ve received a message protected by Microsoft 365, you can view these on your Android phone or tablet.
Depending on how your organization is set up, you have different options for reading Microsoft 365 protected messages on your Android device.
Note:Â If you don't know which OME capabilities your organization has, you'll have to ask your IT admin.
Choose the OME experience your organization is using:
If your organization has updated to the latest OME capabilities, you no longer are required to download a separate app to read Microsoft 365 protected messages!
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For a seamless and secure experience, use Outlook for Android. It'll automatically open the message.
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Using the Gmail or other Android mail app? See, How do I open a message secured by Microsoft 365 Encryption for directions on how to view messages in these apps.
On August 15, 2018, the Office Message Encryption (OME) Viewer mobile app will no longer be available on the Google Play Store. If you already have the OME Viewer app installed, you may continue to use it.
Use the OME Viewer Android app to view a protected message
Choose your email app in the options below:
Use OME Viewer with the Outlook for Android mobile app
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Open the encrypted message in Outlook for Android. When you open the message, you’ll see an attachment called message.html. Tap the message.html attachment and then tap OME Viewer.
Note:Â In order to complete this step, you must have OME Viewer installed on your Android phone or tablet.
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Choose one of the methods for verifying your account below.
Use a one-time passcode
In the OME Viewer, tap Use a one-time passcode.
Sign In with your Microsoft Account
You can also verify your identity by using your Microsoft Account, such as a hotmail.com, outlook.com, or Office 365 work or school email address. Tap Sign In.
Note:Â If you do not have a Microsoft account, you will need to create one. You can create a Microsoft account with your existing email address.
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Continue the steps for the option you chose above.
Use a one-time passcode
If you selected "Use a one-time passcode," you’ll receive an email containing the passcode you need in Outlook for Android. The email will be sent to the email address to which the original encrypted message was sent. Open the email and tap the passcode.
Tip: If you don’t see an email from Microsoft Microsoft 365 Message Encryption, check the Other tab in Outlook for Android or your junk email box.
Sign In with your Microsoft Account
If you've chosen to sign in with your Microsoft account, enter your email address and password, and then tap Sign In. If you don't have a Microsoft Account and would like to create one, tap Sign Up Now and complete the form.
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You will now be able to view your encrypted message, download any attachments, or reply with your own encrypted message.
Use OME Viewer with the Samsung Email app
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Open the encrypted message in the Android Email app. When you open the message, you’ll see an attachment called message.html. Tap the message.html attachment, then choose OME Viewer.
Note:Â In order to complete this step, you must have OME Viewer installed on your Android phone or tablet.
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If prompted with the Microsoft Software License Terms, tap Accept to continue.
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Choose one of the methods for verifying your account below.
Use a one-time passcode
In the OME Viewer, tap Use a one-time passcode.
Sign In with your Microsoft Account
You can also verify your identity by using your Microsoft Account, such as a hotmail.com, outlook.com, or Microsoft 365 work or school account email address. Tap Sign In.
Note:Â If you do not have a Microsoft account, you will need to create one. You can create a Microsoft account with your existing email address.
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Continue the steps for the option you chose above.
Use a one-time passcode
If you selected "Use a one-time passcode," you’ll receive an email containing the passcode you need in the Email app. The email will be sent to the email address to which the original encrypted message was sent. Open the email and tap the passcode.
Tip: If you don’t see an email from Microsoft Microsoft 365 Message Encryption, check your spam folder.
Sign In with your Microsoft Account
If you've chosen to sign in with your Microsoft account, enter your email address and password, and then tap Sign In. If you don't have a Microsoft Account and would like to create one, tap Sign Up Now and complete the form.
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You will now be able to view your encrypted message, download any attachments, or reply with your own encrypted message.
Use OME Viewer with the Gmail app
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Open the encrypted message in the Gmail app. When you open the message, you’ll see an attachment called message.html. Tap the message.html attachment, then choose OME Viewer.
Note:Â In order to complete this step, you must have OME Viewer installed on your Android phone or tablet.
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If prompted with the Microsoft Software License Terms, tap Accept to continue.
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Choose one of the methods for verifying your account below.
Use a one-time passcode
In the OME Viewer, tap Use a one-time passcode.
Sign In with your Microsoft Account
You can also verify your identity by using your Microsoft Account, such as a hotmail.com, outlook.com, or Office 365 work or school email address. Tap Sign In.
Note:Â If you do not have a Microsoft account, you will need to create one. You can create a Microsoft account with your existing email address.
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Continue the steps for the option you chose above.
Use a one-time passcode
If you selected "Use a one-time passcode," you’ll receive an email containing the passcode you need in the Gmail app. The email will be sent to the email address to which the original encrypted message was sent. Open the email and tap the passcode.
Tip: If you don’t see an email from Microsoft Microsoft 365 Message Encryption, check your spam folder.
Sign In with your Microsoft Account
If you've chosen to sign in with your Microsoft account, enter your email address and password, and then tap Sign In. If you don't have a Microsoft Account and would like to create one, tap Sign Up Now and complete the form.
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You will now be able to view your encrypted message, download any attachments, or reply with your own encrypted message.
Use OME Viewer with the Yahoo Mail app
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Open the encrypted message in the Yahoo Mail app. When you open the message, you’ll see an attachment called message.html. Tap the message.html attachment, tap View, and then choose OME Viewer.
Note:Â In order to complete this step, you must have OME Viewer installed on your Android phone or tablet.
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Choose one of the methods for verifying your account below.
Use a one-time passcode
In the OME Viewer, tap Use a one-time passcode.
Sign In with your Microsoft Account
You can also verify your identity by using your Microsoft Account, such as a hotmail.com, outlook.com, or Office 365 work or school email address. Tap Sign In.
Note:Â If you do not have a Microsoft account, you will need to create one. You can create a Microsoft account with your existing email address.
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Continue the steps for the option you chose above.
Use a one-time passcode
If you selected "Use a one-time passcode," you’ll receive an email containing the passcode you need in the Yahoo Mail app. The email will be sent to the email address to which the original encrypted message was sent. Open the email and tap the passcode.
Tip: If you don’t see an email from Microsoft Microsoft 365 Message Encryption, check your spam folder.
Sign In with your Microsoft Account
If you've chosen to sign in with your Microsoft account, enter your email address and password, and then tap Sign In. If you don't have a Microsoft Account and would like to create one, tap Sign Up Now and complete the form.
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You will now be able to view your encrypted message, download any attachments, or reply with your own encrypted message.
Use OME Viewer with an email app on Android
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Open the encrypted message from the email app on your Android mobile device. When you open the message, you’ll see an attachment called message.html. Tap the message.html attachment and choose to open it in the OME Viewer.
Note:Â In order to complete this step, you must have OME Viewer installed on your Android phone or tablet.
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Choose one of the methods for verifying your account below.
Use a one-time passcode
In the OME Viewer, tap Use a one-time passcode.
Sign In with your Microsoft Account
You can also verify your identity by using your Microsoft Account, such as a hotmail.com, outlook.com, or Microsoft 365 work or school account email address. Tap Sign In.
Note:Â If you do not have a Microsoft account, you will need to create one. You can create a Microsoft account with your existing email address.
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Continue the steps for the option you chose above.
Use a one-time passcode
If you selected "Use a one-time passcode," you’ll receive an email containing the passcode to the email address to which the original encrypted message was sent. Open the email and tap the passcode.
Tip: If you don’t see an email from Microsoft Microsoft 365 Message Encryption, check your spam folder or filter options.
Sign In with your Microsoft Account
If you've chosen to sign in with your Microsoft account, enter your email address and password, and then tap Sign In. If you don't have a Microsoft Account and would like to create one, tap Sign Up Now and complete the form.
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You will now be able to view your encrypted message, download any attachments, or reply with your own encrypted message.
Do more with your OME Viewer
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With an encrypted message open in OME Viewer, tap the reply arrow icon.
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Tap Reply or Reply All. You can also choose to forward the message.
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Type your reply and tap Send.
Your reply message is encrypted, and an encrypted copy of your reply is sent to you.
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With an encrypted message open in OME Viewer, tap on the attachment.
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After it is downloaded, choose an app to view the attachment.
Need help accessing your encrypted message? Try these tips below:
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If you are stuck on a loading screen or nothing has loaded, exit the app and go through the steps again.
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If you don't see your passcode email from Microsoft 365 Message Encryption in your inbox, check your spam folder or filter options.
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If your passcode is no longer valid because 15 minutes or more have passed, go through the steps above again to request a new passcode.
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If you've clicked on the passcode and nothing has loaded, return to the passcode email and tap it again.
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If you see a "We didn't find a Microsoft account" message, make sure you typed your email address correctly. If you don't have a Microsoft account, you can create one or choose the Use a one-time password option.
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Why does my encrypted message email look different than the screenshots on this page? Organizations who use Office 365 Message Encryption are able to customize their messages to their recipients. While the email may look different according to the organization's branding, the general steps will be the same.
