Google Calendar vs Outlook Calendar: differences, and how to use both
Google Calendar and Outlook compared on price, sharing, apps, integrations and admin controls. Who each one suits, and how to keep both in sync if you use one for work and one at home.
6 min readCaltsu Team
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Google Calendar and Microsoft Outlook are the two calendars most people end up using, and they're built for different people. Google Calendar is for individuals and small teams who want something simple. Outlook is for companies that want central control over scheduling and security.
Here is how they compare, side by side.
Quick comparison
| Feature | Google Calendar | Outlook |
|---|---|---|
| Best for | Individuals, startups and small teams | Large companies and regulated industries |
| Price | Free for personal use, paid Google Workspace plans for business | Included with Microsoft 365, no full-featured free option for businesses |
| User experience | Simple, fast, web-first | Full desktop app, can feel cluttered |
| Sharing and teamwork | Easy to share with anyone | Detailed sharing and delegation inside a company |
| Integrations | Connects to most third-party tools | Strongest with other Microsoft products |
| Privacy and security | Fine for personal use | Admin controls built for corporate IT |
In short. Outlook suits companies that already run Microsoft 365 and want central control over scheduling, sharing and security. Google Calendar suits individuals and small teams who want something simple. Plenty of people end up with both, one for work and one for personal life. If that is you, see how to sync Google Calendar with Outlook so each calendar shows when you are busy in the other.
A closer look at Google Calendar
What it is
Google Calendar is a web-based calendar tied into Gmail, Google Meet and Google Drive. It's quick to use and easy to share.
Key features
- Create and edit events in a couple of clicks.
- Invite guests and see their replies on the event.
- Use "Find a time" to see when other Google users are free.
- Share your calendar with a public link.
- Apps for the web, Android and iOS.
Price
- Free for personal use.
- Included in the paid Google Workspace plans.
Who is it for?
Individuals, freelancers, startups and small teams who want a free or cheap calendar that works on every device.
A closer look at Outlook Calendar
What it is
Microsoft Outlook combines email and scheduling in one app, and most of its users are at companies. It connects to Teams and the rest of Microsoft 365, and IT admins can control how it's used.
Key features
- Calendar sharing and delegation inside a company.
- Booking for resources like conference rooms and equipment.
- Group scheduling tools such as meeting polls.
- A desktop app that works offline.
- Built-in Microsoft Teams meetings.
Price
The calendar comes with a Microsoft 365 subscription. There's no free option for businesses that includes everything.
Who is it for?
Companies and teams that need admin control and detailed sharing. It also suits anyone who would rather work in a desktop app than a browser.
Head-to-head comparison
1. User experience
- Google Calendar is web-based and quick. If you mostly work in a browser and on your phone, it will feel familiar.
- Outlook is at its best in the desktop app, especially on Windows, where email and calendar sit in one window and work offline. The web and mobile apps are fine, but the desktop app is why people pick it.
2. Team and company features
- Google Calendar lets you share your calendar with anyone, but it has fewer admin controls than large companies usually want.
- Outlook lets IT set security policies, decide who can see what, and manage rooms and equipment.
3. Scheduling and collaboration
- Google Calendar is good at the small case. Create an event, invite a few people, find a time. Google Meet links are added for you.
- Outlook has more tools for large groups, like meeting polls and room availability.
4. Integrations
- Google Calendar connects to most scheduling, CRM and productivity tools. If you use a lot of different apps, they probably support it.
- Outlook fits best in a Microsoft shop. If your company runs on Teams and OneDrive, Outlook is the obvious choice.
5. Privacy and security
- Google Calendar works well for individuals and small businesses, though some large companies are wary of putting their data with Google.
- Outlook has more admin controls, auditing and security settings, which matters for regulated industries like finance and healthcare.
Which one should you choose?
Choose Google Calendar if
- You're an individual, freelancer or small business and want something simple.
- You work mostly in a browser and on your phone.
- You want a free calendar and don't need corporate admin features.
Choose Outlook if
- Your company needs tight security and admin control.
- You want a desktop app that works offline.
- Your company already uses Microsoft 365 and Teams.
And what about Caltsu?
A lot of people use Outlook for work and Google Calendar at home. Caltsu is for them.
Caltsu isn't a calendar. It syncs the calendars you already have. If you book a dentist appointment in your personal Google Calendar, Caltsu adds a "Busy" block at the same time in your work Outlook calendar. Your colleagues see that you're unavailable, not where you are.
You keep using whichever calendar you like for each part of your life, and nobody books you twice.
Verdict
Neither calendar is better in general. It depends on who is paying and what they need to control.
For individuals and small teams, Google Calendar is the easy pick. It's simple, quick and free.
For large companies, Outlook usually wins on admin control and security.
If you use both, Caltsu keeps each one showing when you're busy in the other.