# RelayBook FAQ Everything you need to know about RelayBook and how it works. ## What is RelayBook? RelayBook is a **shared address book for teams**. Organize contacts into shared collections called **Books**, each with its own members, permissions, and purpose -- then switch between them instantly. ## How is RelayBook different from a spreadsheet? > [!success] Key differences > - **Structured data** -- validated fields for emails, phones, addresses, and more > - **Team collaboration** -- shared books with role-based permissions > - **Powerful search** -- full-text and fuzzy matching finds contacts instantly > - **Labels** -- color-coded categorization for filtering and organization ## Who is RelayBook designed for? - Small teams managing shared client, vendor, or partner contacts - Agencies and consultancies with contacts across multiple clients - Families sharing household contacts and keeping everyone in sync - Anyone who wants an organized shared address book without the cost and complexity of a CRM ## What are Books? Books are collections of contacts -- think of them like shared folders. Each book can have its own members, labels, and access controls. You might have separate books for "Sales Leads", "Vendors", and "Personal Contacts". Learn more: [[Books]] ## What are the different roles? | Role | View Contacts | Create/Edit/Delete | Manage Members | Delete Book | |------|--------------|-------------------|----------------|-------------| | **Viewer** | Yes | No | No | No | | **Member** | Yes | Yes | No | No | | **Owner** | Yes | Yes | Yes | Yes | Learn more: [[Roles & Permissions]] ## Is my data secure? RelayBook uses: - **JWT authentication** with automatic token refresh - **Email verification** for all accounts - **Role-based access control** at every level - **Input validation and sanitization** to prevent attacks - **Bcrypt password hashing** for secure storage ## Can I use RelayBook on mobile? RelayBook's interface is **responsive** and works on mobile browsers. The layout adapts for touch-friendly navigation on phones and tablets. ## How do team invitations work? Book owners can invite anyone by email. The invitee receives an email with a join link that's **valid for 7 days**. Once accepted, they have access to the shared book with their assigned role. Learn more: [[Inviting Members]] ## Can I leave a shared book? Yes. Any member can leave a shared book at any time. This removes your access but doesn't affect the contacts or other members. Learn more: [[Leaving a Book]] --- **Next:** [[What is RelayBook?]] or [[Getting Started Guide]]