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Outlook indicates the message will be protected.
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Non-Microsoft specific file formats, including PDF documents and image files, are not protected once downloaded and can be shared by the recipient without restriction.Įxercise caution when sending sensitive file attachments with either option. Microsoft file format attachments (such as Word documents and Excel spreadsheets) are protected and remain encrypted even if downloaded. Recipients can still reply to your email. If you choose " Do Not Forward" the message is encrypted and additional protections prevent the recipients from forwarding the email message to others. Recipients can share the email and any attachments with any third parties without restriction. If you choose " Encrypt-Only" the message is encrypted. You can choose " Do Not Forward" or " Encrypt-Only". Outlook for Windows Step 1įrom the new message draft window, click the "Options" tab.Ĭlick the drop down under " Encrypt". See KB article How do I view an OME protected message? for instructions how a recipient would open an encrypted message.įor more assistance, please contact your regional TSP or submit a ticket.
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This article covers how to send an encrypted message. Contact your local support or ITS Security for further guidance or if you have any questions. If you routinely share sensitive information with an authorized external entity, OME may not be the best solution. You are still responsible for ensuring information is only shared with appropriate parties. OME is best suited for one time or occasional sharing.
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WARNING: Care should be taken when sending sensitive information in email. Messages sent via OME can only be read by the recipient and can be configured to disallow forwarding to other users. Office 365 offers a service called Office Message Encryption (OME) which you can use to send protected messages. Email messages can be protected to help preserve content confidentiality.