首先確認(rèn)Google賬戶是否通過OAuth方式正確添加至Windows設(shè)置中的郵件與賬戶列表；2. 確保日歷應(yīng)用中已為該賬戶開啟郵件、聯(lián)系人和日歷同步選項(xiàng)；3. 前往隱私設(shè)置允許“郵件和日歷”在后臺運(yùn)行并開啟同步設(shè)置；4. 若問題仍存，刪除賬戶后重啟電腦并重新通過OAuth添加；5. 檢查calendar.google.com確保所需日歷已啟用且非受限賬戶；6. 更新Windows系統(tǒng)及郵件日歷應(yīng)用以排除兼容性問題；若上述無效，可通過將Google賬戶添加至Outlook.com再將Outlook賬戶添加至Windows日歷作為替代方案，問題通?？山鉀Q。

If your Windows 10 Calendar app isn’t syncing with your Google Calendar, you're not alone — it’s a common issue, but usually fixable with a few straightforward steps. The problem often lies in how the account is set up, sync settings, or background permissions.

Here’s how to troubleshoot and fix it:

? 1. Check if Google Account is Properly Added

The Windows 10 Calendar app uses the Mail & Calendar app backend, which relies on your account being correctly added in the Windows Settings.

Steps:

• Go to Settings > Accounts > Email & accounts
• Under "Accounts used by email, calendar, and contacts," check if your Google account is listed
• If it's not there, click Add account and choose Google
• Sign in with your Google credentials

?? Make sure you're using the modern Microsoft account-style setup — Windows may prompt you to use "Add a Google account" with OAuth, not IMAP.

? 2. Ensure Calendar Sync is Enabled

Even if the account is added, syncing might be turned off.

Steps:

• Open the Calendar app
• Click the Settings gear (bottom-left)
• Go to Manage Accounts
• Select your Google account
• Make sure Sync mail, contacts, and calendars is turned on
• Also check that Calendar is enabled under sync options

Sometimes, toggling the account off and re-adding it forces a fresh sync.

? 3. Allow Background Apps and Sync Permissions

Windows can block background sync to save battery, which stops calendar updates when the app is closed.

Fix:

• Go to Settings > Privacy > Background apps
• Scroll down and make sure Mail and Calendar is allowed to run in the background
• Also check: Settings > Accounts > Sync your settings — ensure "Sync settings" is on

? 4. Check Google Sync Settings on Your Device

Windows uses Google’s sync through Microsoft’s servers (not direct API), so occasional glitches happen.

Try this:

• Remove the Google account from Windows
• Reboot your PC
• Re-add the Google account using the OAuth method (not IMAP)
• Wait a few minutes — sync can take time after setup

? Note: The first sync may take 10–30 minutes. Don’t assume it failed immediately.

? 5. Verify on Google’s Side

Ensure your calendar events are actually visible and not hidden:

• Open calendar.google.com in a browser
• Make sure the calendars you want are checked/visible
• Some calendars (like birthdays or shared ones) might not sync by default

Also, if you’re using a work/school Google account (Google Workspace), your admin may restrict third-party app access.

? 6. Update Windows and the Calendar App

Outdated software can cause sync bugs.

• Go to Settings > Update & Security > Windows Update — install any pending updates
• Open Microsoft Store, go to Library, and update the Mail and Calendar apps

Bonus Tip: Use Outlook.com as a Workaround

If direct Google sync keeps failing:

• Add your Google account to Outlook.com
• Outlook.com can sync Google Calendar via subscription
• Then add your Outlook account to the Windows 10 Calendar app — it will show your Google events through Outlook

Syncing issues are usually resolved by re-adding the account properly using OAuth and ensuring background permissions are enabled. It’s not always instant, so give it time after setup.

Basically, double-check the account type, sync settings, and permissions — and if all else fails, try the Outlook bridge.

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