How to Fix Outlook Cannot Synchronize Subscribed Folders Issue

This article provides a comprehensive guide on fixing the issue of Outlook not being able to synchronize subscribed folders. It covers causes, solutions, recommended software, FAQs, tech terms, and helpful tips.

Nene Aly

By Nene Aly / Updated on March 4, 2024

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Problem Overview

Outlook not being able to synchronize subscribed folders is an issue that many users encounter. This can hinder productivity and lead to frustration. The problem occurs when Outlook fails to sync subscribed folders, resulting in missing emails and difficulties in accessing important information.

Several factors can contribute to this problem:

  1. Server issues: Sometimes, the email server experiences technical problems that prevent Outlook from syncing folders.

  2. Connection problems: Poor internet connectivity or firewall settings can interfere with Outlook's ability to sync subscribed folders.

  3. Outdated Outlook version: Appropriate updates may not be installed, causing synchronization issues.


Solution 1: Check Server Status

To resolve the Outlook synchronization problem, follow these steps:

  1. Begin by visiting the website of your email provider and checking their server status page. This will indicate if there are any known issues or maintenance activities currently affecting synchronization.

  2. If the server status appears to be normal, move on to the next solution.

Solution 2: Verify Internet Connection

If there are no server issues, it's important to ensure a stable internet connection. Follow these steps:

  1. Check your internet connection by visiting a website or performing a speed test.

  2. If the connection is weak or unstable, try resetting your router or connecting to a different network.

  3. Temporarily disable any firewall or antivirus software that may be blocking Outlook's access to the internet.

  4. Attempt syncing subscribed folders again to see if the issue is resolved.

Solution 3: Update Outlook

If the problem persists, it may be due to an outdated version of Outlook. To update Outlook, follow these steps:

  1. Open Outlook and navigate to the File tab.

  2. Select Office Account and click on Update Options.

  3. Choose Update Now to install any available updates for Outlook.

  4. Restart Outlook and check if the subscribed folders can now be synchronized.

Recommended Software

To enhance Outlook's synchronization capabilities, consider using a reliable software called Sync2. This software provides seamless synchronization of Outlook folders across multiple devices, ensuring that all your subscribed folders are up to date. Key features of Sync2 include:

  • Real-time synchronization: Any changes made in Outlook are automatically updated on all connected devices.

  • Two-way synchronization: Sync2 ensures that changes made on a mobile device or computer are reflected in Outlook.

  • Compatibility: Works with both Microsoft Exchange and Office 365 accounts.

To use Sync2:

  1. Download and install Sync2 on your computer.

  2. Launch the application and follow the step-by-step instructions to set up synchronization.

  3. Choose the Outlook folders you want to synchronize and specify the synchronization direction.

  4. Click on the Start button to initiate the synchronization process.

  5. Enjoy seamless synchronization of your subscribed folders in Outlook!


Q: Why is Outlook unable to synchronize my subscribed folders?

A: There are several potential reasons for this issue, including server problems, internet connectivity issues, or an outdated version of Outlook. Follow the solutions provided in this article to resolve the problem.

Q: Can I manually synchronize subscribed folders in Outlook?

A: Yes, you can manually sync subscribed folders in Outlook by right-clicking on the folder, selecting Properties, navigating to the Synchronization tab, and clicking on Update Folder.

Q: Is Sync2 compatible with Mac computers?

A: No, Sync2 is designed specifically for Windows computers and is not compatible with Mac operating systems.

Q: Are there any alternative software options for synchronizing Outlook folders?

A: Yes, other popular software options for syncing Outlook folders include CodeTwo Sync for iCloud and AkrutoSync. Research and compare these alternatives to choose the one that best meets your needs.

Q: Can I synchronize Outlook folders across multiple devices using Sync2 without an internet connection?

A: No, an internet connection is required for Sync2 to synchronize Outlook folders across multiple devices.

Q: Does Sync2 support synchronization with third-party email providers?

A: Yes, Sync2 supports synchronization with various third-party email providers such as Gmail and Yahoo Mail.

Tech Terms

1. Synchronization: The process of maintaining consistency between two or more devices or software applications by updating them with the latest changes.

2. Outlook: An email client developed by Microsoft that allows users to send, receive, and manage emails, calendars, and contacts.

3. Subscribed Folders: Folders within Outlook that a user has chosen to subscribe to in order to receive updates and notifications for specific mailboxes or categories.


1. Regularly check for updates for Outlook to ensure you're using the latest version.

2. Maintain a stable and reliable internet connection to avoid synchronization issues.

3. Consider using a trusted synchronization software like Sync2 to streamline the process and improve efficiency.


The issue of Outlook not being able to synchronize subscribed folders is a common problem faced by users. By following the solutions provided in this article, including checking the server status, verifying the internet connection, and updating Outlook, you can successfully resolve this issue and regain seamless synchronization of your subscribed folders. Furthermore, the recommended software, Sync2, offers additional features and flexibility for enhanced folder synchronization in Outlook.

Nene Aly
Nene Aly · Editor