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DeliverySlip works from inside your email inbox (O365, Outlook, Gmail). No need to change any of your tools or email address. Secure communication becomes a painless experience for both senders and recipients.

Delivery Slip is far more than traditional encryption. Enjoy ultimate control over your messages with our patented technology. In addition to being safe, you will also be able to:

  • Request secure E-Signatures and E-Approvals,
  • Drag, drop and share any file of up to 5GBs without clogging your inbox,
  • Get real-time activity notifications that inform you the moment your message is

What's New

Version 6.8.32401:
  • Microsoft 365 SSO and mail is now supported
  • Microsoft 365 OneDrive integration
  • Microsoft 365 Sharepoint integration
  • Google G Suite SSO and mail is now supported
  • Google G Suite Drive integration


  • OS X 10.9 or later

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Current Version (6.x)


Downloads 68
Version Downloads 15
License Shareware
Date 28 Nov 2017
Platform Intel 64 / OS X
Price Free