Limits count calendars
One Google or Microsoft account can contain several calendars, but limits count the calendars you select, not the login that holds them: Starter covers 2 and Pro covers 5, and Power covers 10.
A little guidance. A lot less guesswork.
Help Center
From your first connection to a sync that needs attention. Find the next step and get on with your day.
Watch the product overview · 2:20Step by step
Set up your calendar pair
Choose a walkthrough, then check the first copied event in the destination calendar.
Sync Google with Outlook
Connect both accounts, choose the direction, and test an update.
Share busy time privately
Keep titles, meeting notes, and attendees off the receiving calendar.
Automating your setup? The calendar sync API lets you list calendars and manage rules. If you're choosing a service, see Sync My Cal vs CalendarBridge.
The first five minutes
Start with the map
Connecting an account grants access to its calendar list. You still choose which calendars to bring in, and nothing is written until you create a sync.
Primary means suggested
Your primary calendar is the hub Sync My Cal proposes for new setups. Changing it doesn't rewrite rules you already made.
Rules cause the writes
A connection alone copies nothing. Each rule names one source, one target, and exactly what the target is allowed to receive.
The fastest setup
- 1
Connect and choose
Add Google or Outlook, then select only the calendars you want in the app.
- 2
Pick a preset
Start with busy blocks one way, busy blocks both ways, or a full mirror.
- 3
Check the first result
Preview the rule, then create it — the first sync runs immediately, and the banner tells you what copied. The receipt stays in Activity.
Connect calendarsCreate a syncSign-in required
Direction and detail
How syncing works
A sync answers two separate questions: which way should an event travel, and how much should the receiving calendar learn?
Private by default
Busy block
Titles, descriptions, locations, and attendees stay on the source calendar. Best for client, employer, and personal calendars that only need to protect your availability.
- Start and end time
- A label you choose
For calendars you control
Full copy
Use this for an aggregate or backup calendar where event context is useful. Attendees still stay behind, so the copy can't send invitations.
- Title
- Description
- Location
Source calendar
The original lives here
one-waytwo-way
Target calendar
A managed copy lives here
What does two-way syncing create?
Two directional rules, one for each way. Each calendar receives copies from the other. Copies carry private Sync My Cal markers, so they're never picked up as new source events and sent around again.
How are recurring meetings handled?
Each occurrence is maintained as its own copy. Move or cancel one week and only that occurrence changes. Sync My Cal doesn't copy the recurrence rule itself, which avoids duplicate instances when a series contains exceptions.
How far ahead does Sync My Cal look?
The standard window covers the previous 30 days and the next 12 months. A rule can use a shorter future window if you don't need distant events copied.
How quickly should a change appear?
Google and Microsoft normally notify Sync My Cal when an event changes. A safety sweep runs every 15 minutes in case a notification is late or missed. You can also use Sync now on the dashboard.
Do copied events send reminders or invitations?
No. Attendees are never copied, so a synced event can't invite anyone. Copies also have reminders switched off to prevent duplicate alerts.
Per-rule controls
Control what crosses
Filters belong to the rule, not the whole account. A client sync can be strict while a personal sync stays broad.
Time and schedule
Shorten the future window, choose weekdays and working hours, skip all-day events, or add buffer time around the copy.
Event content
Include or exclude title keywords. Full copies can also add a title prefix or omit the description and location.
Meeting shape
Skip declined events, require a minimum duration or attendee count, or keep only meetings with someone outside your email domain.
Calendar categories
Include or exclude Google colors and Outlook categories. Category matches are exact and ignore letter case.
Test before you trust it
Test this rule scans real upcoming events and explains which are current, missing, or held back. The test writes nothing. If it finds missing or stale copies, repair is a separate, confirmed action.
When something looks wrong
Troubleshooting
Start with the rule test for one event, or the account-wide copy check when several syncs look stale. Both show the gap before offering to repair it.
1
Read Activity
Provider failures and skipped work appear here first.
2
Test the rule
See the filter decision and the state of each copy.
3
Repair if needed
Confirm the exact writes before closing a gap.
An event is missing from the other calendar
Open the rule on the Syncs page and choose Test this rule. The dry run tells you whether a filter held the event back, the copy is already current, or a copy is missing. If it finds a gap, it offers a separate repair action before it writes anything.
A connection says it needs attention
The calendar provider stopped accepting the saved access, often after a password or administrator-policy change. Reconnect the account from Calendars. Your rules and existing copies stay in place while access is restored.
A copy I deleted came back
That's expected. A copy is meant to reflect its source, so Sync My Cal rebuilds it when it notices the gap. Delete the original event, add a filter that excludes it, pause the rule, or delete the rule and choose the option to remove its copies.
A change is taking longer than expected
Check the Activity log for a provider or quota error, then use Sync now. If the event still doesn't match the source, test that rule and run the offered repair. Repair scans the full window; a routine sync only asks for events that changed.
I want to stop syncing without deleting my setup
Pause one direction on the Syncs page, one calendar on the Calendars page, or the whole account in Settings. Rules and existing copies remain, but they stop updating until you resume.
Your account
Account, data, and privacy
Sync My Cal keeps the control for pausing, exporting, disconnecting, and deleting close to the data it affects.
Manage notifications
Choose sync-health alerts, setup guidance, the weekly digest, product updates, and optional conflict summaries. Essential security, billing, and reconnection messages stay on.
Pause or export
Pause all syncing, download everything held about your account as JSON, export activity as CSV, or download the next 90 days from a calendar as an .ics file.
Manage billing
Cancel in the app. Paid access continues through the end of the billing period; rules and copies aren't deleted when syncing stops.
Security and privacy
Read how tokens are encrypted, what event data passes through the sync, and what is stored.
Subprocessors
The separate, maintained record of vendors, what each one processes, and where processing occurs.
Removing a rule or connection
Sync My Cal counts the copies it made and lets you choose whether to remove them. Only managed copies are targeted. Events you created yourself are left alone. Disconnecting a Google account also revokes our access once any requested cleanup runs. Microsoft doesn't let a connected app revoke its own grant, so for Outlook we stop syncing and drop our copy of the token, and we'll link you to where you can remove it yourself.
A person is a click away
Still stuck?
Tell us which calendars are involved, which direction should be syncing, and roughly when the problem started. That's usually enough to begin.