Microsoft Outlook is one of the top-notch email clients that is popular among Windows users. When using the Outlook client, users may come across the Outlook disconnected from server issue. This error can have multiple reasons, including restricting emails from being sent and received. Users can follow some traditional workarounds, which we will discuss in this blog, to fix the Outlook disconnected from the Exchange Server issue.
What are the reasons behind the “Outlook shows disconnected” issue?
There can be multiple things that can cause the “Outlook disconnected from server” error. Read the points below to know why Outlook is disconnected from the Exchange Server.
- Unstable Internet Connectivity.
- Issues with the Microsoft Exchange Server.
- Corrupted or Damaged Outlook Profile.
- Improper Outlook Account Configuration.
- Over-sized Mailbox or Database File.
- Faulty Add-Ins.
- Certificate error (http/https).
- Using Older Outlook Program.
More reasons can cause Outlook to be disconnected from the server issue. Now, we will discuss the simple methods to fix the “Outlook shows disconnected” problem.
Effective ways to fix the Outlook disconnected from the Exchange Server issue
Users must follow several methods to resolve the Outlook disconnected from server error. This section will share each solution in detail.
1. Check the Internet Connectivity:
The first thing users should do is check that the internet is working correctly. Users can check the internet connection speed by visiting the fast.com and other helpful websites.
If you find any fault with the internet stability, kindly make sure to connect with a stable connection or troubleshoot the issue with the current internet connection.
2. Verify the Outlook account settings configuration:
To check the email account settings in Microsoft Outlook, users can follow the upcoming steps.
- Open the Microsoft Outlook on your computer.
- After that, move to the File tab, click the Account Settings dropdown, and select the Account Settings option.
- Then, click on your account and select the Change option to verify the Outlook email account settings.

- Once done, now hit the More Settings button.
- Check your account server details. Modify the details if required. You can cross-check your account settings on Microsoft’s official website.
- Lastly, click the OK button after completing the Outlook email account verification.

3. Update Microsoft Outlook Program:
Go with the following steps to update the Outlook version to the latest one to resolve the “Outlook disconnected from server” issue.
- Launch the Microsoft Outlook application.
- Thereafter, click the File and select the Office account option.
- Here, you will find the Update Options dropdown menu. Click on it.
- Then, select the Update Now option to update Microsoft Outlook to a newer version.
Restart your Windows operating system after installing the latest version of Outlook and check if the Outlook disconnect from the Exchange Server issue is resolved.
4. Disable Outlook Offline mode if enabled:
Sometimes, if the Outlook Work Offline mode is enabled, this can lead to the “Outlook disconnected from the Microsoft Exchange Server” issue. Therefore, users must verify Outlook Offline mode and deactivate it.
- Open the Outlook email client on your Windows system.
- Then, go to the Send/Receive section.
- After that, click on the Work Offline to disable it if enabled.
Once Outlook is connected to the server, the issue will be resolved. If Outlook still shows disconnected, try other solutions shared below.
5. Fix Corrupted Outlook email account:
Outlook can also disconnect from the server if there is an issue with the Outlook email client. Here, we will share how users can repair their Outlook email account to resolve this error.
- Start Microsoft Outlook on your PC/Computer.
- Navigate to the File tab, select Account Settings, and click the Account Settings option.
- After that, choose your email account and hit the Repair button.
- Follow the ongoing prompts to repair the Outlook email client.
- Once done with the repairing task, kindly restart your Outlook and check if the issue still persists.
6. Repair Microsoft Outlook Program:
Users can also face the “Outlook disconnected from the Exchange Server” due to issues with the Microsoft Outlook software. Let us know how to repair Microsoft Outlook to resolve this connection error.
- First of all, open the Control Panel on your device.
- Then, select the Program and Features option.

- Now, look for Microsoft Office or Outlook if installed separately.
- Right-click on it and choose the Change option.
- After that, hit the Repair button.

- Lastly, follow the instructions to fix the damaged Outlook program.
Please make sure to verify whether the problem is solved after performing the above steps.
7. Rebuild Microsoft Outlook data file (OST):
Corruption with the Outlook data file (OST) can also be a cause behind the “Outlook disconnected from server” issue. The steps are as follows:
- Open your Outlook software on your Windows Machine.
- Go to the File section, tap the Account Settings, and click the Account Settings option.
- Then, select the Data Files tab, choose your data file (OST), and click the Open File Location option.
- After that, close Outlook and rename the OST file.
- After renaming the Outlook data file (OST), open the Microsoft Outlook program.
- Now, Outlook will start creating new OST files.
- Once it starts creating an OST file, you can delete the old OST file from the system.
8. Weeom Outlook OST to PST Converter Tool:
If users are facing the “Outlook disconnected from server” issue, it can cause the OST file to be orphaned or damaged. In this case, the Weeom OST to PST Converter Tool will be helpful for users to export all essential data from the OST file to PST format. This software can handle various OST files in a single go to the target PST. It also allows users to convert the OST file data to EML, MSG, and other targets.
- This tool works smoothly even with large-sized OST files.
- Users can also migrate OST files to the Exchange Server and Office 365 mailboxes.
- It supports all editions of the Windows operating system and Microsoft Outlook program.
- Users can also recover the hardly deleted items from the OST files.
- It offers a simple user interface, making the OST data recovery task quick and easy.
- Try its free trial version available on the official website of Weeom Solutions to check its capability and efficiency.
Summing Up
The “Outlook disconnected from server” is a common issue that can be caused by various reasons, mentioned above. Users can follow the solutions described in this blog to fix the Outlook disconnection issue. Moreover, users can also try the Weeom OST to PST Converter Tool to extract all data from the damaged OST file and resolve the Outlook disconnected from Exchange Server issue. For more clarity on its features, users can try its free trial version on their system and process the first 50 items from each folder of the OST file.