Fix Outlook Error 500

Microsoft Outlook is an email client that sends or receives emails by accessing the Microsoft Exchange Server email. Although Outlook works smoothly on a Windows PC, some users have reported error 500 on Outlook 365 when logging in. If you are struggling with the same, today’s guide will help you fix it.

Fix Outlook Error 500

How to Fix Outlook Error 500

The software is available with most versions of Microsoft Office. We bring to you the perfect guide that will teach you to fix Outlook error 500 in detail.

Quick Answer

Error 500 in Outlook usually occurs when there is an issue with the server, or the server is overloaded. Here are some steps you can follow to fix the Outlook Error 500:

1. Restart Outlook app.

2. Disable add-ins.

3. Repair Office installation.

What Causes Outlook Error 500?

You can experience Outlook 500 error on your web browser or email client. This issue is caused due to the reasons briefly mentioned below:

  • Microsoft service unavailability
  • Incorrect login
  • Network connectivity issues
  • Corrupt browser cookies and cache
  • Incorrect date and time settings
  • Improperly system configurations
  • Firewall and antivirus interruption

Microsoft Outlook Error 500 is recoverable. You can easily bypass this error with the help of troubleshooting methods and fix issues like Mailbox not found, protocol disabled, something went wrong, and repeating redirects detected errors.

Method 1: Wait for Server Uptime

The first thing to do if you encounter error 500 on Outlook is to wait for the server uptime of Outlook. This is to ensure the service is not down at the Microsoft end. You can check the service health of Outlook with the Help of the following steps:

1. Open your browser and visit the Office 365 website.

Use Office 365 Online

2. Select the Health option in it and click on Service health.

3. Now, click on the All services option in it.

4. Finally, locate the Microsoft 365 Suit’s health.

Method 2: Resolve Internet Connectivity Issues

To repair Outlook error 500, you must check your internet connection. In case of a weaker internet network, you are bound to face issues while logging into your Outlook account. Therefore, you must try making the connection stronger by reconnecting to your Wi-Fi or moving closer to it for a better signal. You can also refer to our guide on Slow Internet Connection? 10 Ways to Speed up your Internet! and implement the same.

Resolve Internet Connectivity Issues

Also Read: Fix Outlook AutoComplete Not Working Correctly

Method 3: Enable Outlook on Web

Next, make sure to enable Outlook on the web in case of error 500 on Outlook. This method is beneficial in fixing error 500 when you are trying to access the web version of Outlook. Therefore, you must enable the app to be used if the administrator has removed the permission to access Outlook email via the Outlook web version. You can enable Outlook on the web with the help of the steps given below:

1. Sign in to your Microsoft Office account on the web.

Visit the Microsoft Sign In page and Sign in to your account

2. Next, select the user and click on the Mail option.

3. Now, click on Manage email apps.

4. Finally, check the box for Outlook on the web.

Method 4: Manage Roles of Users

You can also fix the error 500 Microsoft Outlook web by managing the roles of users in Outlook. On adding multiple Global Administrator accounts, there is a high chance of getting error 500 on this email platform. Therefore, you must remove all other permissions from all excess accounts for Global Administrator. You can manage the roles of users by following the steps below:

1. First, sign in to your Microsoft Office account on the web.

2. Now, select the Users menu from the left pane.

user microsoft office admin center

3. Now, click on Manage roles.

4. Next, select the user with the error and choose Admin center access menu.

5. Now, click on the Global Administrator option.

6. Finally, click on the Save button.

Method 5: Modify User Permission

In the next step, you must modify user permission to fix error 500 Outlook web. Modifying user permission is essential to check to determine if the error is due to Mailbox not being found. You may encounter the error if the Mailbox has been removed from the organization, which usually happens when you use Outlook for school or work.

Also Read: How to Recover Deleted Draft in Outlook 365

Method 6: Check Subscription

You must have a subscription to the platform for using Outlook for school, work, or as a personal account. Your institution or organization manages the subscription, if it is for school or work. If your subscription is over, you might encounter error 500 on Outlook. If you are using an Outlook account for personal use, you might need to check if your subscription has been canceled or your Mailbox has been removed due to inactive subscription status.

Method 7: Update Browser

If all these browser hacks have not helped you fix error 500 on Outlook, you must try updating it with the latest version. This is because some websites like Outlook work better depending on the browser and its version. So, try updating your browser by following the below steps:

1. Launch the Google Chrome browser on your desktop.

open Google Chrome

2. Now, click on the three-dots icon at the top right corner of your browser screen.

Click on the three dots icon. Fix Outlook Error 500

3. Next, select Help from the menu.

4. Now, click on the About Google Chrome option.

click on Help and select About Google Chrome

5A. If an update is available, your browser will update automatically to the latest version. Once it is done, click on Relaunch to complete the process.

click on Relaunch to complete the process. Fix Outlook Error 500

5B. If the browser is up-to-date, you will get a message stating Chrome is up to date.

Also Read: Fix Outlook Trying to Connect to Server on Windows 10

Method 8: Disable Extensions (If Applicable)

You can also fix error 500 Outlook web by disabling extensions. If you have recently installed VPN, proxy, or adblocker extensions on your browser, it is time to disable them to avoid the 500 error on Outlook. You can also remove these extensions if they are not useful to you. You disable these extensions by following the steps below:

1. Open Chrome browser and click on the three-dots icon at the top.

2. Now, choose More tools > Extensions.

Click on More tools and Go to Extensions

3. Next, turn off the toggle for extensions that are not required.

Toggle off extensions. Fix Outlook Error 500

4. Once done, close your browser and relaunch it to check if the error 500 on Outlook has been fixed.

Method 9: Clear Browser Cookies and Cache

Cookies and cache are known to enhance browser functions and speed. However, these can also cause some issues, especially if the site or software you are trying to visit has been updated since your last visit. Therefore, in a case like this, where you are trying to resolve error 500 Outlook 365, you must clear your browser cache and cookies to help you access Outlook via the web again. To learn how to do so, you can check our guide on How to Clear Cache and Cookies in Google Chrome.

Clear Browser Cookies and Cache

Also Read: How to Turn Outlook Email Read Receipt On Off

Method 10: Use Incognito Mode

Using an incognito mode helps remove browser cookies and site data. It also helps in disabling your plugins and thus can prevent error 500 on Outlook. Therefore, if browser plugins prevent you from accessing your Outlook account, you can refer to our guide on How to Enable Incognito Mode in Chrome and fix the error immediately.

Use Incognito Mode

Method 11: Adjust Date & Time Settings

You can also try to adjust your PC’s date and time settings to fix error 500 on the Outlook client. If your device’s date and time settings are out of sync, it might cause several errors while trying to access Outlook. Therefore, you must adjust them for an error-free time while accessing Outlook. You can refer to our guide on 4 Ways to Change Date and Time in Windows 10 and implement the same.

Adjust Date and Time Settings

Method 12: Switch to Different Browser

You can use different websites like Safari, Opera, and Firefox to access the web-based version of Outlook on any device. This might resolve the above-said error.

Frequently Asked Questions (FAQS)

Q1. What does error 500 mean in Outlook?

Ans. Error 500 on Outlook means that your account might be temporarily blocked.

Q2. What does error 500 on Microsoft means?

Ans. Error 500 on Microsoft means a problem has occurred on the web server hosting the website when the error is returned.

Q3. Why do I get error 500?

Ans. Error 500 usually occurs due to a corrupted browser cache, temporary connectivity issues, corrupt website database, or incorrect file or folder permissions.


This brings us to the end of our guide on Outlook error 500. We hope all your queries regarding the causes behind error 500 and different methods to fix it were answered in the doc. If you have other doubts or suggestions, please leave them in the comments section below.

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