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Calendar Software with Address Book (2026)

Last updated: February 2026

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Why is address book important for calendar software users?

Based on GetApp's analysis of verified user reviews collected between July 2021 and August 2024.

An address book streamlines scheduling by auto-populating contact information, making it easy to invite attendees and manage meetings. It saves time by keeping all contact details in one place, enhancing efficiency. Of the 273 reviewers who rated address book, 73% rated this feature as important or highly important.

Key features of calendar software based on insights from 6139 verified reviews

Appointment Management: Users value the ability to customize availability, automate reminders, and prevent scheduling conflicts, enhancing efficiency and client communication. 95% of reviewers rated this feature as important or highly important.
Calendar Management: Reviewers appreciate the ease of managing multiple calendars, color-coding events, and sharing access to improve organization and collaboration. 93% of reviewers rated this feature as important or highly important.
Scheduling: Users find scheduling tools helpful for avoiding conflicts, coordinating meetings, and setting reminders, making time management smoother. 92% of reviewers rated this feature as important or highly important.
Calendar/Reminder System: Reviewers highlight the flexibility of setting multiple reminders for events, improving task management and ensuring important deadlines are met. 92% of reviewers rated this feature as important or highly important.
Calendar Sync: Users rely on seamless calendar synchronization across devices and platforms to keep schedules up-to-date and avoid double bookings. 91% of reviewers rated this feature as important or highly important.
Real-Time Notifications: Reviewers value real-time notifications for keeping informed about event changes and receiving timely reminders, which enhances productivity. 87% of reviewers rated this feature as important or highly important.