OntoSecureSheets is a Google Sheets™ add-on that helps you control access to sensitive data by hiding and locking specific columns.

With OntoSecureSheets, you can:

Hide selected columns from unauthorized users

Lock columns to prevent editing

Restrict access based on user permissions

Manage visibility and edit controls directly from Google Sheets™

This add-on is designed for teams and individuals who need to protect confidential information such as financial data, student records, internal metrics, or personal data within shared spreadsheets.