Outlook provides various encryption options to help keep your messages secure. To learn more about encryption in Outlook, select a link under the version of Outlook you're using.
Encryption in Outlook
Applies To
Outlook 2024 Outlook 2024 for Mac Outlook 2021 Outlook 2021 for Mac Outlook 2019 Outlook 2016 Outlook on the web for Exchange Server 2016 Outlook on the web for Exchange Server 2019
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