Why You Can’t Sync Outlook Calendar to Google? & Solutions

  Tej Pratap Shukla
Written By Tej Pratap Shukla
Anuraag Singh
Approved By Anuraag Singh
Modified On February 24th, 2026
Reading Time 6 Min Read

Many people face the problem of their Outlook calendar not syncing to Google. If you are experiencing this issue, I will explain the reasons behind it and the solutions to fix it.

Outlook is an email client where you send and receive emails. Users also use it to manage contacts. It also includes a Calendar feature where you can manage appointments, create and organize your meetings, and view schedules. Thus, this program is ideal for professionals who want to manage email, contacts, and calendars in one place.

Google also has its own program to manage your calendar events. With its own dedicated platform, i.e., Google Calendar. Many of you sync your Outlook and Google calendars for your work. However, due to not being careful being most people face syncing issues.

Reasons Why Outlook Calendar Not Syncing to Google

The reason why your calendar is not syncing can be due to several factors, which can be difficult to understand. Below are the possible common reasons.

  • If you are experincing problem with the shared calendar, then it must be incorrect permissions. If the permission is set as View Only instead of Editor, complete details may not sync.
  • During the synchronization process, there is a disturbance in the internet network. As a result, your calendar may not sync properly.
  • To sync your calendar from Outlook to Google, you must enable the calendar sync. If it is not enabled, your calendar will not sync.
  • The ICS URL link that you have sent is outdated or incorrect.
  • If two-factor authentication (2FA) is enabled, your connection may be blocked. You must use an app password in place of a regular password. If not, the sync will fail.
  • Outlook does not use IMAP or POP3 to sync calendars. These protocols are used for syncing Office 365 email with Gmail.
  • Problems like Google Calendar app cache, Outlook profile error, or data corruption can also prevent your calendar from syncing.
  • A large calendar with huge amounts of data may affect thetake longer or fail to sync properly.

These are the common reasons why Outlook is not syncing with Google Calendar. So, to resolve this problem, I have multiple solutions that you can use.

Basic Troubleshooting Ways to Resolve Synchronization Problems

These are the common ways to fix your synchronization problem. These steps help resolve minor problems that may interrupt the process.

  1. First, make sure that you have a stable internet connection. Most synchronization processes fail due to a poor or unstable internet connection. So, switch to a high-speed and bandwidth network.
  2. If your Outlook is outdated, update the program to the latest version and then try to sync your calendar.
  3. Sometimes, removing the Google account and re-adding it to Outlook can resolve the problem.
  4. Ensure the correct permissions are set for the Outlook calendar before syncing it to Google. Switch to the editor so that the person can edit the calendar events.
  5. A large amount of accumulated cache may affect the syncing process.
  6. If the 2FA is enabled, then use the app password in place of the normal password to continue the process.

An incorrect ISC link can cause the Outlook calendar not to sync with Google. To know how to create the right link and export Office 365 calendar to Google.

  1. Go to Outlook on the web and then Settings.
  2. Click on Calendar, then select Shared Calendars.
  3. Choose the calendar you want to sync under the Publish a calendar section. Set the permission to “Can view all details”.
  4. Press the Publish button and then copy the ICS link that is generated.
  5. In Google Calendar, find Other calendars on the left sidebar.
  6. Click the + sign and choose From URL.
  7. Paste the ICS link that you copied and then click on Add calendar.

Advance Solutions to Fix Calendar Sync Issue

Other than the above, there are other advanced methods that you can use to fix the problem of Outlook Calendar not syncing to Google.

  1. Resolve Microsoft 365 Admin Portal Restrictions: To sync your calendar. You must have the proper permission to do this. Also, admins may lock the sharing options due to account security. To fix it, follow the steps below.
    • First, sign in to Microsoft 365 using an admin account.
    • Then, in the Organization settings, click on Services.
    • Select the Calendar and ensure that external sharing is allowed.
    • Enable the ICS publishing if it is disabled.
  2. Repair Corrupt Outlook Profile: If your Outlook profile is corrupted, then repair it by using the following steps.
    • First, close Outlook and go to your Control Panel.
    • Click on the Mail option, then the Profiles button.
    • Press on Add to create a new profile. Re-add your Office 365 account.
    • In addition to that, you can run Scanspst.exe to repair your PST files.

So, here are the solutions to fix the problem of Outlook calendar not syncing with Google Calendar. Other than that, I have an alternative solution which you can use when you have synced your calendar but couldn’t do so.

Sync Outlook Calendar to Google – Alternative Option

Tools like SysTools Office 365 to G Suite Migration Tool allow you to easily move your calendar. This software does not sync the calendar in real time, but it allows you to migrate your data in one go. Then, you can use this to easily move them. It is very easy to use. Here, you have to add all the necessary details of the source and destination accounts, add the user accounts, and then migrate them in one click. Download the software on Windows or Linux systems and try it today.

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Concluding Words

If you are facing a syncing issue with your Outlook calendar and Google. Use the solutions mentioned in the article carefully. Here, I have provided proper reasons behind the issue and then offered several basic and advanced fixes. In addition, I have also shared an alternative option you can use if syncing fails.

Users’ Most Asked Questions

Q. Why is my Outlook not syncing with Gmail?
Ans. The reason for syncing isssue because of incorrect account settings, expired app passwords, disabled IMAP settings, two-factor authentication problems, poor internet connection, or outdated Outlook and Web browser versions.

Q. How can I force Google Calendar to sync with Outlook?
Ans. First, ensure that the calendar sharing is properly enabled in Outlook. Connect your Google account in Outlook, refresh both the account and make sure the sync settings are correct.

Q. Why does it take so long to sync the calendar from Outlook to Gmail?
Ans. Your Outlook calendar take long time to sync because of large calendar data, slow internet connection, server delays, background apps, or sync interval settings.