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Written By Rohit Singh
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Updated on April 17th, 2026
In high-scale enterprise environments, Outlook data files are hosted on network drives where disk space is strictly managed. When the user’s mailbox hits the 50 GB threshold, the user realizes that Google Workspace is not syncing with Outlook. This effectively breaks the connection with Google Workspace. It’s a business continuity risk. In today’s technical blog, we will study why this issue might have occurred and how we can fix it. Also, as a proactive measure, we recommend taking a backup of your Google Workspace data using a professional tool.
The Google Workspace sync failure can occur because of a corrupt Outlook profile, incorrect authentication, and many other reasons. To fix this, try to check the internet connection, recreate the Outlook profile, and verify the sync settings. Or use a professional backup tool to back up G Suite data.
This issue arises due to configuration errors, authentication problems, or corrupted Outlook profiles. Take a look at the following causes behind this issue:
Below, we have discussed the different solutions to fix the Outlook and Google Workspace sync failure. Take a look at them in more detail, one by one.
If the user enters incorrect Outlook account settings, the synchronization will fail. Make sure you entered the correct IMAP/SMTP server settings to build a connection between Outlook and Google Workspace.
Verify the settings by performing the following steps:
| Incoming Mail Server (IMAP) | imap.gmail.com |
| Outgoing Mail Server (SMTP) | smtp.gmail.com |
If the G Suite Sync for Outlook not working, it can be due to using an outdated version of MS Outlook, which poses compatibility issues. Updating the Outlook app to its latest version will fix bugs and security patches.
The following are the steps to update Microsoft Outlook:
A corrupt Outlook profile can disrupt the connection between MS Outlook and Google Workspace servers. Recreating a new profile will reset all the configuration and restore proper synchronization.
Look at the following steps to start the process:
Over a period of time, the sync issues folder in MS Outlook accumulates a large number of files, leading to Google Workspace Sync for Microsoft Outlook Not Working. This causes interruptions in smooth synchronization.
Perform the following instructions to fix it:
For Outlook to communicate with Google Workspace servers, a stable internet connection is required. It can prevent proper synchronization of emails, contacts, and calendars.
Use the step-by-step instructions to begin the process:
To avoid such risks, we recommend users use a professional Cigati Google Workspace Backup Tool to avoid issues like Google Workspace not syncing with Outlook. It helps users streamline email migration without causing any data loss. Also, it facilitates cross-platform migrations from Google Workspace to Office 365, Zoho Mail, and many other email platforms. The tool simplifies the migration of both messages and attachments while ensuring complete metadata retention. Moreover, the advanced duplicate exclusion and the date range filtering ensure a structured transition across enterprise environments.
Simple steps to backup Google Workspace data:
In a professional setting, an issue can occur: “Google Workspace not syncing with Outlook”. This issue may arise due to an authentication conflict, corrupted Outlook profiles, and more. In this article, we have walked you through different approaches that can solve the Google Workspace sync failure. But as a preventive measure, we do recommend users take a backup of their Google Workspace data. For this, we have discussed a professional tool, the Cigati Google Workspace Backup Tool. This tool backs up the Google Workspace data into various formats without any data loss.
You May Also Read: Google Workspace Migration Failure
Ans: This typically occurs if your local mailbox size limit has been reached. By default, the Google Workspace Sync for Microsoft Outlook (GWSMO) tool limits your local storage to 1GB.
Ans: Outlook may have switched to “Work Offline” mode, often triggered after a password change. In Outlook, go to the Send/Receive tab and toggle the Work Offline button. If it stays offline, you may need to delete your saved passwords via the Start menu’s GWSMO folder and re-enter your credentials.
About The Author:
Rohit Singh is an Email Backup, Recovery & Migration Consultant and is associated with Software Company from the last 3 years. He writes technical updates and their features related to MS Outlook, Exchange Server, Office 365, and many other Email Clients & Servers.
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