Attachment open tracking for Word and Excel - email-native file telemetry

Attachment open tracking for Word and Excel - email-native file telemetry targets a $480M = 4,000,000 sales professionals x $120/yr ARPU. Assumes global pool of 4M sales users willing to pay a modest $10/mo for attachment telemetry integrated into their workflow. total addressable market with medium saturation and a year-over-year growth rate of 12-18% annual growth in sales enablement tooling adoption driven by digital selling trends.

Key trends driving demand: Link fatigue and security caution -- many corporate recipients avoid unknown links, sustaining demand for attachment-native solutions; Shift to digital selling -- more proposals and data are exchanged remotely, increasing the value of knowing who actually read attachments; Cloud office telemetry -- Office 365 and Google Workspace expose file activity and APIs that enable more reliable, auditable open events; CRM-driven workflow expectation -- sales teams expect content signals to flow directly into CRM for intent scoring and timely follow-up.