Gmail Not Syncing? Quick Fixes for Desktop and iPhone
Gmail Not Syncing – Fast Fixes for Computer & iPhone
The Gmail not syncing issue often spells chaos. New messages don’t arrive, sent mail gets stuck, and labels fall out of date. However, in most cases, the solutions are simple. It occurs due to expiry of authentication tokens, corrupt cache, or misconfigured IMAP. Use the steps in this blog to fix Gmail not syncing on computer and iPhone.
Basic Fixes for Gmail Not Syncing
Do the following checks when your Gmail fails to sync.
Check Google Status: If Gmail has an outage, local fixes won’t help.
Storage space: Full Google storage can block incoming mail.
2-Step Verification & App Passwords: If you enabled 2SV recently, some apps need a new app password.
IMAP enabled: In Gmail on the web, go to Settings → See all settings → Forwarding and POP/IMAP → Enable IMAP.
Fix Gmail Not Syncing On Computer (Web & Desktop Apps)
If you are experiencing this issue on a browser (Gmail web), do the following:
Hard refresh & re-login: Sign out of Gmail, close the browser, reopen, and sign in again.
Clear cache/cookies: Corrupted cache often breaks background sync.
Disable extensions: Ad blockers or privacy tools can block Gmail scripts—try an Incognito/Private window.
Time/date settings: Incorrect system time can break secure sessions; set to automatic.
If the issue arises on mail apps (Outlook/Apple Mail/Thunderbird), do the following:
Re-authenticate the account: Remove and re-add Gmail using OAuth (Google sign-in), not manual IMAP username/password.
Verify IMAP server: imap.gmail.com (SSL, 993). SMTP: smtp.gmail.com (TLS, 587).
Sync limits: In Outlook, increase “Mail to keep offline” (File → Account Settings → your Gmail → Change).
Repair/Rebuild mailbox: Many apps offer a “Repair” or “Rebuild” to refresh the local index.
Fix Gmail not syncing on iPhone (Mail app & Gmail app)
When Gmail does not sync on an Apple Mail (iOS), take the following steps:
Toggle Mail off/on: Settings → Mail → Accounts → Gmail → turn Mail OFF, then ON.
Remove & re-add account: Use Settings → Mail → Accounts → Add Account → Google (OAuth only).
Background App Refresh: Settings → General → Background App Refresh → On (for Mail).
Fetch vs. Push: Settings → Mail → Accounts → Fetch New Data. Set Gmail to Fetch (15 min or Automatic) if Push isn’t available.
iOS Keychain/Passwords: If you recently changed your Google password, update it on the device.
Fix Gmail Not Syncing on the Gmail App (iOS)
To fix sync errors with the Gmail app, you must configure the settings correctly.
Pull to refresh inside the Inbox.
Check Sync settings: Gmail app → Menu → Settings → your account → Sync settings and ensure “Sync” and label sync are enabled.
Enable notifications for new email: Notifications can be off even when sync work. So, enable “All new mail” if needed.
Concluding Words
Whether it’s gmail not syncing on computer or gmail not syncing iPhone, you are now fully aware of the measures to take. These simple steps will fix your specific cause. If the problem remains, contact email support experts.
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