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Outdated Contacts Are A Security Risk.

Fix It Automatically.

CiraSync helps IT Admins & Managers protect their organization by ensuring every employee’s phone has the latest emergency contact info securely and without manual effort.

Prevent delays, reduce exposure, and stay compliant with automated contact sync for Microsoft 365.

Over 2,000 companies trust CiraSync to sync contacts

No Apps, No Code, Just Sync.

See CiraSync In Action with a Customer

Check out how CiraSync works with a new onboard hire who needs to contact a vendor that they’ve never spoken to. This is just one of dozens of ways to use CiraSync.

1. Seamless Onboarding

When Chris joins the company, key contacts like Kristen are automatically added to his phone, ensuring instant connectivity and reducing communication friction.

2. Instant Access

When Kristen asks Chris to verify a delivery with the logistics partner, he finds the right contact instantly in his phone. No confusion, no delays — just clear communication.

3. Confident Execution

With the right contact at his fingertips, Chris quickly connects, completes the task, and keeps projects moving; building client trust and improving efficiency.

Enterprise Security Built for Microsoft 365

CiraSync is trusted by over 15,000 IT departments across construction, finance, healthcare, government, and enterprise environments – because it meets the highest standards of cloud security and compliance

ISO 27001 & SOC 2 Type II Certified Independent audits validate our commitment to security and data integrity.

100% Azure-Based Architecture
No on-premise installs, no insecure workarounds. Runs entirely within Microsoft Azure.

No Data Permanently Stored
Contact data is never stored outside your tenant. Sync operations are secure and ephemeral.

Role-Based Access Controls
Granular permissioning and full audit logging ensure secure operations and compliance.

Built for Enterprise IT Teams
Secure enough for banks, fast enough for startups, simple enough for everyone in between.

Any Contact On Any Phone In Minutes

CiraSync puts you in the driver’s seat of your organization’s contact management. Our intuitive dashboard offers full control over sync processes, allowing you to customize schedules to suit your needs—hourly, daily, or on-demand.

Leverage existing distribution lists for precise control over which contacts sync to specific users or groups. Real-time monitoring and detailed reporting provide a clear picture of your contact management status.

For organizations with compliance requirements, CiraSync ensures secure, audited syncs, supporting compliance with data protection regulations like GDPR.

Set It and Forget It – Sync That Scales with You

Every missed call or meeting could mean a lost opportunity. CiraSync eliminates that risk, ensuring that your team always has the most up-to-date contact information. It doesn’t just update contact lists; it transforms how your business communicates.

With CiraSync, you’re not just staying connected – you’re staying ahead.

Offer Instant Contact, Calendar or CRM Sync to Every Microsoft User

CiraSync Automatically Syncs the Public Folders to Smartphones

CiraSync Automatically Syncs Calendars to Smartphones

CiraSync Automatically Syncs CRMs to Smartphones

How CiraSync Syncs Contacts to Any Phone

Once connected to your Microsoft 365 account, CiraSync extracts contact information and pushes it to designated user smartphones based on your configured settings. The sync process is fully automated and runs on your preferred schedule.

CiraSync intelligently processes GAL data, mapping key fields like name, email, phone number, and job title to the corresponding fields on the user’s smartphone. It also handles common data challenges like duplicates and conflicts automatically, ensuring only the most accurate, up-to-date information is synced.

Compare Cirasync Features With Some Our Top Competitors


Contact Syncing Global Address List Microsoft 365 Public Folder CRM
Calendar Syncing Instantly sync shared calendars to all employee phones
Security Compliance SOC II ImmuniWebGDPR
Auto License Updating Automatically detect when additional licenses need to be purchased for new users. Pro-rated fee on number of additional licenses needed
Contact Cleanup Clean contacts up at mass scale, emails, names, numbers or clear fields
Role Base Administration
Contact Problem Diagnostics Diagnose any contact errors that need attention at scale
Obfuscation Based on your privacy requirements, CiraSync is not allowed access to view your data unless authorized by you as a user.
Microsoft & Microsoft Azure Support Deep level support from Microsoft and Microsoft Azure
Scalability Update 4 or more mailboxes at 1 time