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Written By Adom Smith
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Updated on July 26th, 2025
Summary: The Outlook Error 0x80040115 occurs when users attempt to send or receive emails in Outlook. This can be due to poor network connectivity or corrupted Outlook data files. There can be more causes that may lead to this error. This blog will walk you through the manual methods to resolve the issue. If those manual methods don’t work, you can always rely on the professional Aryson OST Recovery Tool. Read the blog till the end to learn what could have caused this error and how to resolve it. Download Now Purchase Now
Knowing the causes will help you understand and fix the problem faster. Common reasons include:
After knowing these causes, let’s see the manual troubleshooting steps.
Here are some quick and proven methods to resolve the 0x80040115 error:
Check if your network is stable or not. Try restarting your router or switching to a different network to see if that resolves the issue.
Running Outlook in Safe Mode can be the causing factor.
A corrupt Outlook profile is one of the reasons Outlook starts sending reported error 0x80040115.
Outdated versions can be the issue.
Security software might be the reason for 0x80040115 Error in Outlook.
If none of the manual solutions resolve the Outlook Error 0x80040115, it seems that your OST file is severely corrupted or damaged. In such cases, using Aryson OST Recovery Tool is the best option to recover and restore your mailbox data. This utility is specifically designed to repair files that are not accessible or damaged OST files. Also, convert them into PST or other formats supported by Outlook with no data loss and formatting.





Also Read: Copy SQL Server From One Server to Another SQL Server.
In this blog, we have explored how to fix the Outlook Error 0x80040115 using both manual and advanced methods. Start with simple checks like your internet connection, disabling add-ins, or updating Outlook. If the error continues to exist, try repairing the corrupted OST file using the recovery tool. The professional tool will automate and simplify the process.
Ans: This is a generic Outlook error usually caused by permission issues, corrupt data files, or security software conflicts.
Ans: This error occurs due to blocked network access, incorrect login credentials, or firewall settings on the host computer.
About The Author:
Adom Smith is a DataRecoveryHelp Technology Writer. He is a technology enthusiast with over 3 years of experience in Data Recovery, IoT, Artificial Intelligence, and Robotics. He enjoys researching and sharing DIY solutions as well as tips and tricks for resolving Windows technical issues.
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