In this article, we are going to discuss how to fix Outlook error 500 mailbox not found error. If you are getting a mailbox not found error in Outlook then do not worry. Here, you will get some effective ways to resolve this error.
What is Error 500 in Outlook?
Outlook error 500 indicates that Outlook cannot find the intended mailbox. It prevents users from accessing their Outlook emails. This error occurs mainly because user account has too many roles assigned to them. However, there are many other reasons, such as corrupted browser cache, poor internet connection, outdated Outlook client, server issues, and many more.
How to Fix Outlook Error 500 Mailbox Not Found Error?
There are some effective solutions to solve this error message.
1. Check Service Health
When you get error 500 in Outlook then first of all you need to check the service health. To do it-
1. Visit the https://admin.microsoft.com website.
2. Go to the Health option and choose Service Health.
3. Now, click on All Service option and find the Microsoft 365 Suite’s health.
If it displays error then wait some time until it gets fixed. If not disaply any error then proceed with other solutions.
2. Manage Role of Users
When you add multiple Global Administrator accounts then you might face this error message. You need to remove all other permissions from all accounts for Global Administrator.
Follow the below-given steps to do it-
1. Login Office account and click on Users menu.
2. Click the Manage Roles option and choose the user that is getting the error.
3. Click on Admin Center Access menu and select Global Administrator option.
4. After that, click on Save button and check error is solved or not.
3. Check User Permissions
Outlook error 500 can occur when you can no longer access a mailbox then the administrator may have removed access to your email address and as a result, you will get Outlook error 500 mailbox not found error. In this situation, you can solve this issue by having the administrator reinstate access.
4. Check Your Subscription
To use Outlook, users must have a subscription. If you have any issues with the subscription then users will get the mailbox not found error. Ensure your subscription to solve the issue.
5. Clear Cache and Cookies
Browser cache and cookies can stop Outlook from working properly. Try to remove all cache and cookies from your browser and then check error is solved or not.
6. Disable Extensions
Browser extensions can interfere with Outlook functionality. Try to temporarily disable them one by one. After that check whether issue is solved or not.