The Smartsheet proofing capability now includes the slope functionality.
USM Content
Slope is now part of Smartsheet and is no longer available for purchase as a stand-alone product. The functionality is part of the proofing capability in the Smartsheet platform.
For more information, see Collaborate on a proof.
Technical support contact
If you're still using Slope and need help, contact our support team. Make sure to mention Slope in both the subject and message fields of this contact form.