How to Sync Microsoft Outlook with Google Calendar: Top Free and Paid Tools

Google discontinued its official Outlook sync tool in 2014, leaving users seeking reliable alternatives to keep their Microsoft Outlook and Google Calendars aligned. As productivity experts, we've tested numerous options to help you maintain seamless synchronization across these powerful tools.

Both Outlook Calendar and Google Calendar excel at task management and scheduling. For instance, Outlook handles reminders, due dates, and project tracking effectively.

Why sync Outlook and Google Calendars?

Maintaining two calendars can be challenging, but it's essential in scenarios like:

• Balancing two jobs, each using a different calendar.
• Separating personal and work schedules.
• Preferring Outlook's desktop reliability for travel while using Google Calendar's web access (which also supports offline mode).
• Collaborating via shared Google Calendars.
• Simply enjoying multiple calendars for organization.

Synchronizing them ensures events appear side-by-side, boosting efficiency. Below are the best third-party replacements we've vetted.

Top Google Calendar Sync Tools for Outlook

Optimize your workflow with these proven solutions.

Calendar Sync for Outlook and Google (Free and Paid)

Calendar Sync (v3.0.6.6) offers one-way sync in the free version (Outlook or Google as master, limited to last 30 days). The Pro version ($9.99) enables two-way sync, custom date ranges, multiple calendars, and profiles. Both free and Pro are available as portable apps.

Key features (free version):

• Select specific calendars.
• Sync Outlook categories/colors to Google.
• One-way deduplication.
• Outlook reminders trigger Google popups.
• Auto-sync every 5 minutes or scheduled.
• Supports Google 2-step authentication.
• Sync private events.

Outlook Google Calendar Sync (Free)

This open-source tool (v2.5.0 Beta) delivers full two-way sync for free. Compatible with Outlook 2003–2016 (64-bit), available as installer or portable.

Transfer all event attributes, merge duplicates with warnings, and mask sensitive data for privacy. Works behind proxies.

Key features:

• Choose event attributes to sync.
• Custom sync frequency and date ranges.
• Sync default or secondary calendars.
• CSV exports.
• Handles recurring events properly.

Sync+ Calendar (Free)

Sync+ Calendar (v1.4.0) supports two-way sync for Outlook 2007–2016. Ongoing updates promise more features.

Key features:

• Multiple calendars and tasks.
• Precise sync intervals.
• Days or date range limits.
• Sync descriptions, attendees, reminders, etc.
• Merge entries.
• Manual/auto sync; proxy support.

gSyncit (Paid, $19.99; Trial)

gSyncit syncs Outlook with Google Calendar, contacts, tasks, and more (Toodledo, Evernote, etc.). Trial limits to 50 Google Calendar entries, no deletions or auto-sync.

Key features:

• 32/64-bit versions.
• Sync colors/categories.
• Selective public/private sync.
• Customizable options.
• Multiple accounts.

Note: We haven't personally tested gSyncit; share your experiences in comments.

G Suite Sync for Microsoft Outlook (Google Workspace Users)

For teams, this free tool bridges G Suite (formerly Google Apps) with Outlook, including Gmail, Docs, and Calendar. Supports 2FA and SSO.

Key features:

• Multiple calendars.
• Events, reminders, descriptions, attendees, locations.
• Share calendars cross-platform.
• Free/busy status sync.

Use Microsoft Power Automate (Formerly Flow)

With 151+ connectors, Power Automate automates sync via Google Calendar to Outlook.com (or vice versa).

Cloud-based for cross-platform harmony.

Mobile Sync Options

1. Native Apps: Use Outlook and Google Calendar apps on iOS/Android for notifications and shared calendars.

Downloads: Outlook iOS/Android | Google Calendar iOS/Android.

2. iPhone/iPad Calendar: Settings > Mail > Accounts > Add Google and Outlook.com.

3. Outlook Android App: Connects to Office 365, Exchange, Gmail, etc.

Final Thoughts

Syncing reduces overhead—both platforms support multiple calendars natively. What's your setup? Share tips below!