Scroll down to the Office 365 package or other Office packages that contain Outlook, and then double click it and select Uninstall. Then follow the on-screen prompts to complete the uninstallation. Inside the Outlook folder, press Ctrl + A keys to select all the cache files and Delete them. We look for it gets secured and fixed with your error code; if you still cannot sort out the problem, it is probably a bigger problem.
You can authenticate your server by choosing the “My Server” option. Check the “More Settings” option and verify the SMTP port number, and you might need to secure your connection with an SSL as well. Here is all the information on how to fix the error.
There is another way for you to fix the Outlook error . To fix it, you can choose to reinstall Outlook. In general, reinstalling Outlook should help you to fix this Outlook error. Excel Repair Repair corrupt Excel files and recover all the data with 100% integrity. MiniTool Photo RecoveryQuick, easy solution for media file disaster recovery.
You need to uninstall the broken version of Microsoft Outlook and install the latest one to solve this problem. One of the most common reasons for Outlook email errors is that you have duplicate or multiple accounts. Follow the steps below to check that. Besides giving multiple benefits, Microsoft office causes sometimes error too.
After closing, reopen Outlook and see if the error is been solved. Check if there are any duplicate accounts present. If you find duplicate accounts there, then delete them. Just restart the application and try sending an email to check whether the error is occurring again or not. SMTP stands for ‘Simple Mail Transfer Protocol’.