Blog
What Is Guest Access in CRM/ERP and Why It Is the Foundation of Modern Customer Service
Dmytro Sikorskyi
How to give clients control over a project without exposing your “internal kitchen”? Read about the guest access concept that replaces email and messenger chaos with a single source of truth.
Dmytro Sikorskyi
February 12, 2026
How to Hide a Column in Google Sheets or Excel So No One Truly Sees It? (Spoiler: It’s Often Impossible, and Here’s Why)
Dmytro Sikorskyi
Hiding columns in spreadsheets is often just an illusion of security that puts your business data at risk. Discover why Excel and Google Sheets fail at access control and how Tracy provides a professional, server-side solution for your growing team.
Dmytro Sikorskyi
December 17, 2025