Outlook Exchange Online



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Expand your Outlook. We've developed a suite of premium Outlook features for people with advanced email and calendar needs. A Microsoft 365 subscription offers an ad-free interface, custom domains, enhanced security options, the full desktop version of Office, and 1 TB of cloud storage. We are a small business and are currently using Exchange Online with 50 user accounts. Our desktop clients use Office 2013 with Outlook 2013 connected to Exchange Online. The Exchange Online Kiosk license is a low cost alternative to give your users access to Office 365 based email. The product ID of this license type is EXCHANGEDESKLESS and it indicates clearly the type of workers targeted for this version of Exchange Online: The deskless worker. Formerly Outlook Web App, the Outlook on the web provides a similar interface to that of the Office suite’s Microsoft Outlook but without the need of installing the full software suite of applications. It allows you to access your emails, contacts, calendars, and tasks from Microsoft’s cloud-based Exchange Online and the Microsoft Exchange.

Many different clients can be used to access information in an Exchange Online mailbox. These clients include desktop programs such as Microsoft Outlook, Outlook on the web (formerly known as Outlook Web App), and mobile clients such as phones, tablets, and other mobile devices. Each of these clients offers a variety of features.

The following table contains links to topics that will help you learn about and manage some of the clients and client access methods that can be used to access an Office 365 or Microsoft 365 mailbox.

TopicDescription
Exchange ActiveSync in Exchange OnlineLearn about Exchange ActiveSync, the protocol that provides connectivity to a wide variety of mobile phones and tablets. Using Exchange ActiveSync, users can access email, calendar, contact, and task information.
Mobile device mailbox policies in Exchange Online
POP3 and IMAP4Learn about how you can use the POP3 and IMAP4 protocols to provide users access to a number of the features in their Office 365 or Microsoft 365 mailbox. These client protocols can be used on desktop email applications and on many mobile phones and devices.
Outlook for iOS and Android in Exchange Online
Outlook on the web in Exchange OnlineLearn about Outlook on the web, which provides users access to their Exchange Online mailbox through a web browser.
Mobile access in Exchange Online
MailTips in Exchange OnlineLearn about MailTips, the informative messages displayed to users while they're composing a message.
Add-ins for Outlook in Exchange Online
Remote Connectivity Analyzer tests for Exchange Online
Client Access Rules in Exchange OnlineLearn how to use Client Access Rules to control connections to Exchange Online.
Disable Basic authentication in Exchange OnlineLearn how to disable Basic auth connections to your Exchange Online mailboxes.
Enable or disable modern authentication for Outlook in Exchange OnlineLearn how to require Modern auth connections to your Exchange Online mailboxes.

Mar 11, 2021 • Filed to: Recover & Repair Emails • Proven solutions

The outlook is a great information manager that's primarily used by people to fetch emails. What makes it unique from other email managers is the capability it has to store notes, calendars, and tasks. You must connect to the Outlook Exchange Server to send and receive emails. But, occasionally, Outlook experience hassle connecting to the server. No worries!! If you're going through an Outlook server error, then continue reading to find out several ways to get this issue fixed.

How to fix Outlook cannot connect to server error?

Below we are going to discuss every plausible method that can help you fix this problem on your Windows PC, irrespective of the cause.

First of all, Let's start with a video we curated for you, which covers the most common reasons that cause Outlook fails to connect to server, and how to fix them accordingly. You can explore more from Wondershare Video Community.

Hopefully the video has solved your generic audio service detected issue, but if not, no worries, below are some other solutions we prepared for you:

Tip 1: Make sure your account credentials or Exchange server name are correct

Ensure that your account details or exchange server name are correct. Follow the below steps for validating your account credential in Outlook.

Step 1: Open Outlook on your computer.

Step 2: Now, go to 'File'>' Info'> Account and Social Network Settings'>' Account settings'.

Step 3: Choose the account from the dialog box, remove the existing account, and re-enter your correct account credentials.

Tip 2: Verify that Outlook is online

How you can ensure that Outlook is online or offline? There are several visual indications, starting with the Outlook status bar at the bottom. If you see a message that says 'Working Offline' or 'Disconnected', then it means that your Outlook isn't connected to the server.

To switch from offline to online mode in Outlook, follow the below steps:

  • Open Outlook.
  • Go to the 'Send/Receive' tab.
  • Select the 'Work Offline' option to reconnect.

Tip 3: Make sure that your computer is connected to the network

If you still experience an Outlook error message cannot connect to a server problem, then it's time to check your internet connection. If there is a problem with a network or it isn't working, then you won't be able to connect to any server. In such cases, you need to ensure that your internet connection is working and your system is connected to that network.

  • Try to connect another device to the same network. If that device has Outlook installed, then try to open it and check if it works now.
  • Try to access your browser and head to the mail's website and check if you can receive your emails from there. If you can't, then it means that there is a problem with a server.
  • You can give a try to a private network if you were using a public one.

Tip 4: Check your Microsoft Exchange server connection

Outlook exchange online loginOutlook

To check your Microsoft exchange service connection, follow the below steps:

Step 1: Open Outlook.

Step 2: Go to 'File'>' Info'> Account and Social Network Settings'>' Account settings'.

Step 3: Look at your Exchange account. If there is an issue with the connection, then you will see the indicator icon in orange color.

Tip 5: Use SSL to connect Microsoft Exchange server

To use SSL to connect the Microsoft Exchange server, follow the below steps:

Step 1: Open Outlook.

Step 2: Go to File'>' Info'> Account and Social Network Settings'>' Account settings'.

Step 3: Select your email account and tap 'Change'.

Step 4: Click on 'More Settings'>' Advanced' tab.

Step 5: Finally, select SSL as a type of encrypted connection and click 'Ok'.

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Tip 6: Configure a connection to a proxy server

Online

If you're using a proxy server for internet access, then you have to take additional connection configuration steps to address and fix the problem.

Step 1: Open Outlook.

Step 2: Click on the 'File'>' Info'> Account and Social Network Settings'>' Account settings'.

Step 3: Select your account and click on the 'Change> 'More Settings'>' Connection' tab.

Step 4: Under Outlook Anywhere, choose the 'Connect to Microsoft Exchange using HTTP' option.

Step 5: Click on the 'Exchange Proxy Settings' to specify a proxy server. Then, enter a URL to connect to a proxy server. Select 'Connect using SSL only'. And select 'Only connect to proxy servers that have this principal name in their certificate' then enter 'must: URL'.

Step 6: Under 'Proxy authentication settings', select the authentication type: Basic authentication or NTLM authentication and hit 'Ok'.

Tip 7: Repair Outlook Account

If nothing still works to fix the Outlook server error, you can try to repair your Outlook account.

Outlook account refers to the info associated with servers or email addresses that you have entered in Outlook. These settings might be disrupted and thereby causes several problems like the one you're facing now. Repairing an Outlook account could fix the problem. So, try the following steps:

Step 1: Open Outlook.

Step 2: Click on the 'File'>' Info'> Account and Social Network Settings'>' Account settings'.

Outlook Exchange Online Password Prompt

Step 3: Now, select your account and hit on the 'Repair' button.

Step 4: You will be asked to enter your account details or just to confirm them. It is suggested that you should remove the password and then re-enter it to eradicate the change that you have entered the wrong password.

Step 5: Hit on the 'Next' button. This, in turn, enables Outlook to automatically make a connection with the server and diagnose the problem if there is any.

Tip 8: Disabling Extensions

It could be possible that there is an extension that enabled your Outlook which makes you face this problem. In such cases, all you can do is to disable each extension and then try to connect. If it goes great, then it means that there is a problem with an extension(s).

Step 1: Open Outlook.

Step 2: Go to the 'File'>' Options'>' Add-ins' from the left bar.

Step 3: Click on the 'Go' button, uncheck all the extensions, and hit on the 'Ok' button.

Restart your Outlook to check whether the problem is resolved.

Tip 9: Rebuilding Outlook data file

You can even try to rebuild the whole Outlook data file to resolve Outlook error cannot connect to the server. The application saves its data and info to an external file. It is a kind of storage for the Outlook that it uses to perform its operations. Here, we will delete this data file. This, in turn, Outlook detects that data loss is lost or missing and then tries to rebuild it from the scratch and it could fix the corruption issues if any.

Step 1: Open the 'Account Settings' in your Outlook.

Step 2: Click on the 'Data Files' tab and after that, choosing the Email account that's causing issues. Then, tap on the 'Open File Location'.

Step 3: Now, you can rename the file or you can move it to another location.

Step 4: Now, launch Outlook again and it will automatically try to recreate your data file.

Tip 10: Repairing/Reinstalling Outlook

If none of the above methods work and you are still having trouble connecting to the server, then you can try to repair or reinstall the application. However, we still recommend you to repair the Outlook. If that doesn't work, then you can try reinstalling it completely. Below is how to repair Outlook:

Step 1: Use 'Windows + R' and enter 'appwiz.cpl' in the box and hit Enter.

Step 2: Once you're inside the application manager, find the Microsoft office. Then, right-tap it and choose 'Change'.

Step 3: Choose the 'Repair' option and hit 'Continue'.

If the problem doesn't go away even after repairing, then you can reinstall Outlook.

Tip 11: Repair a profile using Stellar Outlook Repair

Email

It could be a scenario that the PST file is corrupted and that's the reason you're encountering an Outlook error message cannot connect to the server. In such cases, all you need to do is to repair the PST file. Fortunately, solutions like Stellar Outlook Repair help a lot when it comes to repairing damaged PST files and recovers data in a new PST file. This tool can help you restores the entire mailbox data like contacts, emails, tasks, and more. What's more? You can save verified data as PST or other formats as well.

Get Stellar Outlook Repair on your system and then follow the below steps to learn how to use it to repair your corrupted PST file:

Step 1: Add PST file

Microsoft Exchange Online Sign In

Lunch Stellar Outlook Repair and select the 'Outlook PST' option from the top menu. Then, select the 'Browse', add desired the PST file and click the 'Repair' button.

Step 2: Repair the PST file

Wait until the software repairs your PST file.

Step 3: Preview and save

Once the repair is successful, the software lets you preview restored Outlook mailbox data. Select what you want to save, hit on the 'Save Repaired fie'. Then, choose PST as a file format, tap 'Browse' >'Ok' to save the recovered PST file on your computer.

Webmail Exchange Outlook Web Access

The Bottom Line:

POP3 And IMAP4

Online

As you can now see that there are several workarounds to help you resolve Outlook server error. If the problem is due to a damaged PST file, then we recommend you to use Stellar Outlook Repair. For repairing corrupted PST files, this tool has no competition on the market.

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