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Fast, privacy-first Windows contact manager. Effortlessly simple for everyday users - deeply powerful for data management.
Download Free Trial (30 Days) Explore Features
Native 64-bit Windows App • Windows 11 & 10 • No Subscriptions • 100% Offline Capable

Why "EZ"? Simple to Start, Built to Grow
"EZ" stands for Easy. We built EZ Contact Book around a core idea: software shouldn't require a steep learning curve, complex setup, or recurring cloud subscriptions.
Whether you need a straightforward address book for personal contacts or a structured desktop database for customer management, EZ Contact Book adapts to your needs effortlessly.
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Intuitive & Friendly
Zero learning curve. Start typing to find phone numbers, emails, addresses, and notes instantly. Designed to be accessible for everyone.
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Powerful Data Processing
Advanced features for power users: export/import CSV & vCards, Google contact sync, envelope printing, Avery address labels, and date-stamped notes.
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100% Local Privacy
Your address book lives in a local database on your PC, not on third-party cloud servers. Enjoy full speed, complete privacy, and offline peace of mind.
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One-Time Purchase
Say goodbye to monthly SaaS bills. Buy a lifetime license once and maintain complete ownership of your software and data forever.
Local Desktop Application vs. Cloud Subscription Apps
| Feature / Advantage | EZ Contact Book | Typical Cloud Contact Apps |
|---|---|---|
| Pricing Model | One-Time Lifetime License | Monthly or Annual Subscription |
| Data Ownership | 100% Local PC Database | Stored on Cloud Servers |
| Internet Access | Works 100% Offline | Required |
| Search Speed | Instant Local Search | Server-Dependent |
| Printing Support | Envelopes, Address Labels & Avery | Limited / Not Supported |
| Interaction Logs | Chronological Date-Stamped Notes | Basic Text Notes |
Built for Personal & Business Use
- Centralized Directory: Store phones, emails, addresses, websites, and birthdays cleanly in one app.
- Instant Wildcard Search: Locate any contact across thousands of records in milliseconds.
- Reminders & Calendar: Native Windows alerts for birthdays, anniversaries, and recurring events.
- One-Click Actions: Make phone calls via Windows Phone Link, compose emails, or locate addresses on Google Maps.
- Customer Logs: Maintain chronological, date-stamped notes for every lead, client, or supplier interaction.
- Group & Tag Management: Categorize contacts by status, project, client type, or custom tags.
- Envelope & Label Printing: Print envelopes and address labels directly from filtered contact lists.
- Data Sync & Portability: Sync via Google Contacts across devices, or import/export CSV data easily.