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email add-ins

Two colleagues reviewing Outlook on desktop before installing the Mailock add-in, representing quick setup for sending secure emails directly from Outlook

Secure email
Outlook add-in

Use Mailock with Windows Outlook

Encrypt emails & attachments
Multi-factor recipient checks
'Before you send' security alerts
Securely read & reply in Outlook

Go to download

Mailock add-in installed in Outlook ribbon, showing the New Secure Email option ready to send protected messages

Male professional smiling with colleague in office about new secure email system

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Create an account

Choose your Mailock account to start securing sensitive emails today.