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Email Sync Problems

How to Fix Outlook and Gmail Synchronization on a Laptop

Elise WilliamsElise Williams Sep 29, 2026 869 views

Question details

The user needs to resolve an issue where a Gmail account is no longer syncing new emails in the Outlook desktop application on a laptop.

How to Fix Outlook and Gmail Synchronization on a Laptop
Product
Microsoft Outlook
Device & OS
Windows or macOS
Scenario
Syncing emails between a Gmail account and the Outlook desktop client.
Observed behavior
Gmail emails synchronize correctly on mobile devices but fail to update or sync within the Outlook application on the laptop.
Before you start

Ensure your laptop has a stable and active internet connection, and back up any important local Outlook data before removing accounts or making profile changes.

Solution 1Recommended

Perform Basic Checks and Update Software

Start with simple fixes like restarting the application and ensuring all software is fully up to date.

Many synchronization issues are caused by temporary network glitches or outdated software versions that lack the latest security protocols.

1
Verify Internet Connection

Check your laptop's network settings to ensure it is connected to a stable Wi-Fi or Ethernet network.

2
Restart Outlook

Completely close the Microsoft Outlook application and launch it again to refresh active connections.

3
Update System and App

Check for and install any available updates for both Microsoft Outlook and your operating system (Windows or macOS).

Perform Basic Checks and Update Software
ScanOST Tool Deprecated: The legacy ScanOST tool is not supported in current Outlook versions. Stick to software updates and profile resets.
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Frequently Asked Questions

Why is Gmail syncing on my phone but not on Outlook on my laptop?

Mobile devices often use different synchronization protocols or dedicated apps optimized for push notifications. Outlook on a laptop relies on IMAP and modern authentication, which can fail if the app is outdated or the profile becomes corrupted.

Can I use the ScanOST tool to fix Gmail synchronization in Outlook?

No, the legacy ScanOST tool is no longer supported in current versions of Microsoft Outlook. To resolve issues, you should focus on updating the application, re-authenticating the account, or creating a new Outlook profile.

How do I ensure IMAP is enabled for my Gmail account?

Log into your Gmail account in a web browser, click the gear icon for Settings, select 'See all settings', navigate to the 'Forwarding and POP/IMAP' tab, and verify that 'Enable IMAP' is selected.