EASY, SECURE TWO-WAY SYNC CALENDARS FOR YOUR BUSINESS APPS
Two-Way Calendar Sync for Teams Google, Outlook, Exchange
Sync Google Calendar with Outlook, Exchange and Microsoft 365 in real time. Eliminate double bookings automatically. AddSync keeps your personal and calendar organization perfectly aligned with flexible multi-tenant sync-one-way, two-way, or one-to-many.
How Does it Work?
Google Calendar Synchronization
Sync Google Calendar with Outlook, Exchange, iCalendar, CRM or Apple systems, and business apps in real time.
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Outlook Calendar Synchronization
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Keep Outlook perfectly synchronized with Google Calendar, Exchange and internal scheduling tools.
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Calendar Synchronization API
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Get Quote
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Sync Google, Outlook, Exchange & iCloud Calendars
The service can be fully configured, even at a global level, to manage calendar synchronization according to your organization’s needs.
How AddSync Works for Business
Never Miss a Meeting with Reliable Calendars Sync
Quick response time is an important factor when it comes to closing deals. With real-time alerts offered by marketing software.
Over 17,000+ Connections of Stunning Quality
AddSync streamlines communication for meetings, tasks, and other services for international companies, helping you boost productivity and business efficiency. Sync Calendars without complexity
AddSync: powering communication that drives global business forward.
More Over. 1500+Customers
With multiple calendars working together, you’ll never miss important information or deal with duplicate activities again.
More Over. 1500+Customers
Sync all your calendars in one place to stay informed, avoid duplicates, and keep every activity perfectly aligned.
More Over. 1500+Customers
By seamlessly syncing multiple calendars, you stay fully informed and eliminate duplicate activities for good.
1
k
Sync calendars
1
millon
Sync meetings
1
+
Sync Tasks per week
1
+
Satisfied customers
Sync Calendars without complexity
Why Choose us
Sync Calendars without complexity
We understand the importance of approaching each work integrally and believe in the power of simple.
Availability Guarantee
SLA - 99.99% Availability Guarantee – Enterprise-Grade Reliability
Unlimited calendars per mailbox
No artificial limits — sync as many calendars as you need without restrictions.
Enterprise-Grade Security
Top-level data protection with end-to-end encryption, certified infrastructure, continuous monitoring, and full GDPR & ISO 27001 compliance.
Enterprise-grade calendar synchronization with Exchange, Microsoft 365 and Google Workspace (GDPR compliant)
Designed with enterprise-level security, stability, and performance in mind. Get started in minutes and scale effortlessly as your organization grows.
Planning on 14 Free Test
The Next Generation Of Our Calendar Services
Testimonials
Our latest Review
“Finally, full control over our calendars”
With AddSync, we synchronized calendars across teams working in different time zones. No more double bookings or manual availability checks.
“Time savings from day one”
Setup took just a few minutes, and everything runs automatically in the background. Our sales team always sees accurate availability, no matter which calendar they use.
AddSync seamlessly connects Google Calendar, Outlook, and Exchange into one reliable system. Everyone works with the same, up-to-date data. A single source of truth for the entire organization”
“Perfect for multi-location and enterprise teams”
Managing multiple calendars and offices is easy with AddSync. Global configuration and synchronization priorities were exactly what we needed.
“Flexible, secure, and enterprise-ready”
Two-way sync, full control over data flow, and no calendar limits make AddSync a powerful and reliable solution for our infrastructure.
“Peace of mind in scheduling”
With AddSync, meetings, tasks, and availability are always accurate and up to date. It has significantly improved communication and productivity across our teams.
