Privacy Policy

Last Updated: December 22, 2025

1. Overview

Cellify.app is an AI-powered Excel add-in. This Privacy Policy explains how we collect, use, and protect your information.

2. Information We Collect

Account Information (via Azure AD SSO)

• User ID (Azure AD unique identifier)
• Email address
• Display name

Usage Data

• Chat messages (natural language commands)
• Excel context (table/chart names, NOT content)
• Subscription plan and usage limits
• Session metadata (timestamps, response times)

What We DON'T Collect

• Excel file contents (your data stays in YOUR files)
• Passwords (Azure AD handles authentication)
• Cell data or formulas (we only read structure, not values)

3. How We Use Your Data

• Process natural language commands via AI (Google Gemini)
• Manage subscriptions and usage limits
• Improve service quality and AI accuracy
• Provide customer support

4. Data Storage & Security

Storage Location: Google Cloud Platform (us-central1, United States)

Security Measures:

• Encryption in transit: TLS 1.3
• Encryption at rest: AES-256
• Azure AD authentication (OAuth 2.0)
• Regular security audits

5. Third-Party Services

• Microsoft Azure AD: Authentication (SSO)
• Google Cloud: AI processing (Vertex AI), data storage (Firestore)
• Microsoft AppSource: Billing and subscription management

6. Your Rights (GDPR)

• Access: Request copy of your data
• Deletion: Request account and data deletion
• Portability: Export your data in JSON format
• Correction: Update your profile information

To exercise your rights, email: contact@cellify.app

7. Data Retention

• Active subscriptions: Data stored for duration of subscription
• After cancellation: Data retained for 30 days, then deleted
• Chat history: Retained for 90 days (for service improvement)

8. Contact

Questions about privacy? Email: contact@cellify.app