10 Solutions to Outlook Cannot Connect to Server

Outlook is one of the most common emails around the world and it is part of the Microsoft Office Suite. But some people reported that they come across the error that Outlook cannot connect to Server when using it.

Then what may cause the Outlook not connecting to Server error? The issue that Outlook cannot connect to Server may be caused by the following reasons.

• Bad internet connection.
• Work offline enabled.
• Account corruption.
• Corrupt data file.
• Outdated application.

We just list some of them. But the most important thing is to fix the issue that Outlook cannot connect to Server.

So, in the following section, we will show you how to fix the error that Outlook can’t connect to Server.

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10 Solutions to Outlook Cannot Connect to Server

Way 1. Make Sure Account Credentials or Exchange Server Name Are Correct

To fix the error that Outlook cannot connect to Server, you need to make sure account credential and exchange Server name are correct first. If they are not correct, you may come across the error that Outlook not connecting to Server.

Way 2. Verify Outlook Is Online

In order to fix the error that Outlook cannot connect to Server, you can also choose to verify whether Outlook is online.

Now, here is the tutorial.

1. Open Outlook.
2. Go to the Send/Receive tab.
3. Select the Work Offline option to reconnect.

When it is finished, re-launch Outlook and check whether the issue that Outlook cannot connect to Server is fixed.

Way 3. Make Sure Computer Is Connected to Network

To solve the error that Outlook won’t connect to Server, you can also choose to check whether computer is connecting to network. If there is a problem with a network, the Outlook may be unable to connect to Server. So, in this solution, try checking network connection.

Now, here is the tutorial.

1. Try to connect another device to the same network. If that device has Outlook installed, try to open it and check whether the Outlook not connecting to Server error occurs.
2. Try to access the browser and head to the mail’s website and check whether you can receive the email.

If another device is able to work successfully, it means that network connection of original device is incorrect. In this situation, you need to check the network connection of computer.

Way 4. Check Microsoft Exchange Server Connection

In order to fix the error that Outlook cannot connect to Server, you can also check the Microsoft Exchange Server connection.

Now, here is the tutorial.

1. Open Outlook.
2. Go to File > Info > Account and Social Network Settings > Account Settings.
3. Then you are required to look at the Exchange account. If there is a connection issue, you will see an indicator on the screen. If so, correct the Microsoft Exchange Server connection.

When it is finished, re-launch Outlook and check whether the error that Outlook cannot connect to server is fixed.

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Way 5. Use SSL to Connect Microsoft Exchange Server

To fix the error that Outlook won’t connect to Server, you can also try using SSL to connect Microsoft Exchange Server.

Now, here is the tutorial.

1. Open Outlook.
2. Go to File > Info > Account and Social Network Settings > Account Settings.
3. Select your email account and click Change.
4. Then click More settings.
5. In the pop-up window, navigate to the Advanced tab.
6. Under Outgoing Server section, choose SSL as the encrypted connection.
7. Then click OK to continue.

When it is finished, check whether the error that Outlook can’t connect to server is fixed.

Way 6. Configure Proxy Server Connection

To fix the problem that Outlook cannot connect to Server, you can try configuring proxy Server connection.

Now, here is the tutorial.

1. Open Outlook.
2. Go to File > Info > Account and Social Network Settings > Account Settings.
3. Select your email account and click Change.
4. Then click More settings.
5. Under Outlook Anywhere, choose Connection to Microsoft Exchange using HTTP.
6. Click on the Exchange Proxy Settings to specify a proxy server. Then enter a URL to connect to a proxy server.
7. Next, select Connecting using SSL only.
8. Check Only Connect to proxy servers that have this principal name in their certificate.
9. Then enter msstd: URL.
10. At last, select Basic authentication or NTLM authentication under Proxy authentication settings section.

When all steps are finished, re-launch Outlook and check whether the error that Outlook cannot connect to Server is removed.

Way 7. Repair Outlook Account

In this section, you can try repairing Outlook account. Now, here is the tutorial.

1. Open Outlook.
2. Click File > Info > Account and Social Network Settings > Account Settings.
3. Now, select your account and hit Repair button.

When it is finished, re-launch Outlook and check whether the problem Outlook not connecting to Server is fixed.

Way 8. Disable Extensions

In order to fix the error that Outlook won’t connect to Server, you can choose to disable extensions.

Now, here is the tutorial.

1. Open Outlook.
2. Click the File > Option > Add-in.
3. Then click on Go button, uncheck all the extensions and click OK to continue.

After that, restart the Outlook and check whether the Outlook not connecting to Server is fixed.

Way 9. Rebuild Outlook Data File

You can also choose to rebuild Outlook data file to fix the issue Outlook unable to connect to Server.

1. Open Outlook.
2. Select Account Settings.
3. Click on Data File
4. Then select the mail account that comes across the Outlook not connecting to Server error.
5. Then click Open File Location.
6. Then rename the file or move the file to another location.

After that, restart the Outlook and check whether the error that Outlook cannot connect to Server is fixed.

Way 10. Reinstall Outlook

If the above solutions can’t fix the error that Outlook cannot connect to Server, you can choose to reinstall Outlook then check whether this Outlook error is fixed.

Final Words

To sum up, to fix the error that Outlook cannot connect to Server, this post covers 10 ways. If you come across the same error, try these solutions. If you have any different idea of this Outlook error, you can share it in the comment zone.