Seeing the Outlook error 0x80040201? Fix it fast in 3 steps

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Updated onOctober 4, 2023

updated onOctober 4, 2023

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When sending an email to a recipient, the users have reported theOutlookerror 0x80040201. Thiserrorcan occur due to several reasons, including incorrect STMP settings, antivirus blocking the connection, or evenOutlookadd-ins.

Several users have reported similar issues in theMicrosoft communityforum:

Outlookwould at first fail to send and then also not allow me to save my email (very frustrating). I eventually rebuilt the email and addressee list and sent again, receiving immediately an unknown send error 0x80040201

If you are also troubled by thiserror, here are a couple of troubleshooting tips to help you resolve theOutlooksending error 0x80040201.

How do I fix the Outlook error 0x80040201?

1. Check your antivirus program

2. Check for add-in issues

If theerrordoes not occur insafe mode, you may have third-party add-ins creating issues with the client’s functionalities.

3. Clear the Autocomplete list

TheOutlooksending error 0x80040201 can occur due to various reasons. However, most of the time, these minor issues cause the problem.

Follow all the steps listed in this article to fix theerrorand get yourOutlookclient functioning again.

Seeing the Outlook error 0x80040201? Fix it fast in 3 steps#

How do I fix the Outlook error 0x80040201?#

1. Check your antivirus program#

2. Check for add-in issues#

3. Clear the Autocomplete list#

Seeing the Outlook error 0x80040201? Fix it fast in 3 steps

How do I fix the Outlook error 0x80040201?

1. Check your antivirus program

2. Check for add-in issues

3. Clear the Autocomplete list