Ways to protect your data in Outlook

There are several ways that you can protect your information in Outlook for Mac, but you can't use a password to protect e-mail messages or an Outlook for Mac Data File (.olm).



Digital signatures

You can send and receive messages that have a digital signature. Digital signatures help confirm the identity of the sender to verify whether the message is sent by an imposter.

For more information, see Send a digitally signed or encrypted message

Message encryption

This feature helps protect the privacy of the message by scrambling the text. Only your intended recipients can unscramble the text and read the contents of the message.

For more information, see About digital signing, encryption, and smart cards

Information Rights Management

Information Rights Management (IRM) allows individuals and administrators to set access permissions to documents, workbooks, presentations, and e-mail messages. This helps prevent sensitive information from being printed, forwarded, or copied by unauthorized people. After permission for a file is restricted by using IRM, the access and usage restrictions are enforced even if the file reaches unintended recipients. This is because the access permissions are stored in the document, workbook, presentation, or e-mail message itself. And these must be authenticated against the server.

Note: To restrict permission to content in a message, you must have Microsoft Office for Mac Standard 2011.

For more information, see Create a message with restricted permission

See also

Password protect an e-mail attachment

About security in Outlook

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