How to Fix Outlook Error Cannot Connect to Server?

Jackson Strong | March 22nd, 2025 | Outlook

Learn how to fix Outlook Error Cannot Connect to server. Here, we will provide some tried and tested solutions to solve Outlook cannot connect to server issue. Read the post till the end to know about this error and resolve it.

Microsoft Outlook is a popular desktop-based email application. This email client is used by millions of individuals and businesses worldwide. However, sometimes users can face issues where Outlook cannot connect to server but internet is working. These types of errors can be frustrating especially when it disrupts workflow. If you are among those who are facing this issue, then this article will provide different working solutions to fix the problem. Before that, let’s know the reasons for facing this error.

Outlook Error Cannot Connect to Server

Why Outlook Cannot connect to Server?

There can be various reasons why the user faces the problem when Outlook is not able to connect to the server. Here are a few of the situations –

  • An issue with internet connection
  • Incorrect Outlook account setting configuration
  • Corrupted Outlook profile
  • Outdated Outlook version
  • Incompatible or faulty add-ins
  • Installed antivirus blocking the connection
  • And many more.

Now, without any further delay, let’s solve this Outlook error.

How to Fix Outlook Error Cannot Connect to Server?

Here are a few troubleshooting ideas to fix the Outlook not connected to server error. Let’s check all of them one by one.

1. Check Internet Connectivity
The first thing you need to check while your Outlook cannot connect to your outgoing SMTP email server is to check your connectivity. An interrupted internet connection is one of the causes of facing the error. Check your Wi-Fi settings and reconnect with it.

2. Restart your System and Outlook
After checking the internet connectivity, restart your system. Restarting your system can remove cache data and can solve Outlook is not connecting to server error.

3. Check your Outlook Online Status
In certain situations, if your Outlook online status is disabled, then you can face a server connectivity issue. For that, go to the Send/Receive tab and make the status online.

outlook cannot connect to your outgoing smtp email server

4. Check Server Connectivity
If Outlook cannot connect to server but internet is working, then check your server connectivity. For that, go to File >> Info >> Account Settings >> Account Settings. Then check the icon beside your Exchange account. If it is orange then there is an issue with your connection. The blue sign shows no issue.

Check Exchange Server Connectivity Status

5. Remove Faulty Add-ins

The flawed add-ins can be the case where Outlook is not connecting to server. Disable all the add-ins and restart your Outlook application. For that, File >> Options >> Add-ins >> COM Add-ins and disable the add-ins.

Disable Outlook Add-ins

6. Repair Outlook Account
If the Outlook error cannot connect to server persist, then you have an issue with your account. Then you need to repair Outlook profile and solve the error. Go to File >> Account Settings >> Account Settings >> Repair. After that, run the application again.

Repair Outlook profile

7. Use Microsoft Support and Recovery Assistant

If Outlook is not connecting to server, then you can use the SARA tool by Microsoft. Download the tool from the official website and launch it. After the tool opens, click on Outlook >> Trying to Connect or Disconnected >> Select Yes.

Download-the-SARA-tool

8. Repair Outlook Data Files

Microsoft Outlook provides a free ScanPST.exe tool to repair corrupted Outlook data files. To do it- Launch ScanPST.exe, add the Outlook PST file, and click on Start. It will show detected issues in file, click on Repair to fix them. Once the repair is complete, import the repaired PST file in Outlook and check issue is solved or not.

If the inbox repair tool fails to repair Outlook data file then use Advik PST Repair Tool and fix Outlook cannot connect to server issue.

9. Create New Outlook Profile
In some cases creating a new Outlook profile can solve the issue. To create another profile, first, close your Outlook. Then go to the control panel >> Mail >> Show Profile >> Add and create a new profile.

Conclusion

Here in this blog we discuss the different solutions to fix Outlook Error Cannot Connect to Server. By following the troubleshooting ideas you you can resolve the error. If still your outlook cannot connect to server but internet is working, then contact the Microsoft technical support team.

Frequently Asked Questions

Q 1. Why Microsoft Outlook cannot connect to the server?

Ans. There are various reasons for Outlook not connecting to server, such as Network issues, Incorrect account settings, Corrupted Outlook data files, server downtime, firewall, or antivirus interference.

Q 2. How to resolve Outlook cannot connect to server error?

Ans. There are various ways to fix the Outlook unable to connect to server error.

  1. Check your internet connection
  2. Verify Outlook server settings
  3. Restart Outlook and your Outlook
  4. Run Outlook in Safe mode
  5. Repair Outlook profile
  6. Repair Outlook data files
  7. Disable the firewall or antivirus
  8. Update Outlook