How to Troubleshoot Office 365 Connectivity Issues?

Sahil Verma
Sahil Verma | Published On - 21 Jun 2022 |

Read time: 9 minutes

Most people are familiar with the Office 365 cloud platform. It’s a powerful application for productivity and email connectivity. However, like any other application, there can also be occasional connectivity issues with Office 365.

So if you’re experiencing problems with your Office 365 deployment, don’t hesitate to look out at our top solutions. Our blog will help you get your Office 365 environment back up and running smoothly.

Easy Solutions to Fix the Office 365 Connectivity Issues

Many people use Office 365 for their communication and collaboration needs. However, some users have reported connectivity issues when using this service. These problems can be caused by a variety of factors, including incorrect DNS settings, firewall restrictions, or more.

By following the troubleshooting methods below, users can get back to work with minimal interruption.

Updating Windows

If you’re having trouble connecting to Office 365, one potential cause could be outdated or missing Windows updates. To check for updates:

  1. Go to Start > Settings > Update & Security.
  2. Under Windows Update, select Check for updates.select Check for updates
  3. If any updates are found, install them, and then try connecting to Office 365 again.

If this doesn’t resolve your issue, see the next section.

Checking Firewall & Proxy Settings

If you experience Office 365 connectivity issues, you need to check that your firewall or proxy settings are blocking the connection. To check your firewall and proxy settings:

  1. Go to Start > Settings > Network & Internet.Go to start settings & Network and Internet
  2. Select Proxy from the left-hand menu, and make sure that the Automatically detect setting is turned on and that both Use a proxy server and Use automatic configuration script are turned off.select Proxy
  3. Next, go to Start > Settings > Update & Security > Windows Defender Firewall.
  4. Select the Allow an app or feature through Windows Defender Firewall link from the left-hand menu.
  5. Make sure that all three tick boxes are selected for the Office 365 applications you’re trying to use, and then select OK.

Modifying DNS Settings

DNS is essential for connecting to any website or service on the internet. If your DNS settings are incorrect, you will not be able to connect to Office 365. Here is how to troubleshoot DNS Settings.

  1. Click Start > Control Panel > Network and Internet > Network Connections.
  2. Go to your network connection and select Properties.
  3. Make sure that IP settings are selected to Automatic (DHCP), and then click Save.Click Save

Running Microsoft 365 Diagnostic

The best thing you can do to fix the connectivity issues is run a Microsoft 365 Diagnostic. This diagnostic will help identify any potential problems with your connection to Office 365 and provide steps on how to fix them.
To use the Microsoft 365 Diagnostic:

    1. Go to https://diagnostics.office.com in your web browser. Sign in with your email address.Sign in with your email address
    2. On the Welcome screen, look out for your issues and tap to begin a complete diagnostic process.complete diagnostic process
    3. Follow the instructions to complete the diagnostic.

Once the diagnostic has been completed, follow any recommended steps to fix any issues that were identified.

Checking Service Issues

If you’re having trouble connecting to Office 365, it may be because of an issue with the Office 365 service. To check if there are any current service issues that might be affecting your connection, visit the Office 365 Service Health Dashboard at https://portal.office.com/adminportal/home#/servicehealth.Office 365 service
If you see a message that says, “All systems are operational,” there are no current service issues affecting your connection. If you see the “We’re sorry, but we’re having some technical difficulties” message or an alert for a specific service (such as Exchange Online, SharePoint Online, or Skype for Business Online), then there is a service issue that might be affecting your connection.

To get more information about the service issue, click the alert. The Service Health Dashboard will provide you with more details about the issue, including when it started and how long it is expected to last.

Repairing Outlook Profiles

If you are experiencing any Outlook connectivity issues with your Office 365 account, one troubleshooting step you can take is to repair your Outlook profile. This will fix any corrupted data within your profile that could be causing the issue.

  1. First, open Outlook and go to File > Account Settings > Account Settings. Select the Office 365 account.Select the Office 365 account
  2. Next, click on Repair.click on Repair
  3. Follow the steps and then restart Outlook. This should resolve any connectivity issues you were having.

Resetting the Office 365 Password

If you are having difficulties connecting to Office 365, resetting your password may resolve the issue. To reset your Office 365 password:

    1. Go to the Microsoft Online Services Password Reset page (https://passwordreset.microsoftonline.com/passwordreset#!/).
    2. Enter your Office 365 email address and click Next.click Next
    3. Follow the on-screen instructions to reset your password.

If the issue is not resolved, contact your Office 365 administrator for further assistance.

Creating a New Outlook Profile

Deleting the old Outlook profile and creating a new one can be one of the easiest resolutions to fix the Office 365 Connectivity issues. Here is how to do so:

  1. Access Outlook and tap on the option Account Settings. Tap on Manage Profiles.Manage Profiles
  2. Next, click on the Show Profiles option.Show Profiles
  3. Tap on Add and create a new profile, then add your Office 365 account details and try connecting again.Add and create a new profile
  4. You may need to contact your Office 365 administrator for further assistance if this doesn’t fix the problem.

Office 365 Service Outages

Although rare, sometimes Office 365 may experience an outage that prevents users from connecting and you cannot even configure Office 365 account in Outlook.

If there is an issue with a specific service, Microsoft will usually provide information on how to resolve it.

Use the Microsoft Remote Connectivity Analyzer

The Microsoft Remote Connectivity Analyzer is a free online tool that can help you diagnose and fix connectivity issues with Office 365. Simply enter your email address and password, select the type of issue you’re experiencing, and the tool will run some tests to see where the problem lies. Once the problem is identified, you can easily resolve the issue.

Can backups work during Office 365 downtime?

A helpful tip for tackling the Office 365 connectivity issues is to create an Office 365 backup. This way, if Office 365 does experience any downtime, users will still be able to access their data and email; moreover, you can protect your data in case of an outage or other connectivity issue.

We know one of the most popular features of Office 365 is the ability to access data from any device with an internet connection. However, this convenience comes with a trade-off: Office 365 does not provide a backup solution for users’ data. So how do we get an easy Office 365 backup? The simplest solution would be the Kernel Office 365 Backup tool.

This tool offers a complete backup of all Office 365 with an easy-to-use interface. The tool supports modern authentication for Office 365 login and provides smart filters to choose the needed data by date, folder, item type, etc. With this advanced software, users can create unlimited backups.

The tool also retains the read & unread status of all the messages in the Office 365 mailbox and can even export Office 365 distribution group members to CSV.

Final Say

Office 365 connectivity can be a challenge for some businesses. We’ve outlined the best ways to troubleshoot Office 365 connectivity issues. By following these methods, you should be able to identify and fix any issues that are preventing your business from using Office 365 to its fullest potential.

Moreover, don’t forget to get your hands on our Office 365 backup tool that provides granular backup and recovery of mailbox items, including messages, contacts, and calendar events. It has the ability to restore an entire tenant or individual mailboxes.