How to fix outgoing mail issues with Outlook and Windows 10

Applies to:
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Time Needed:
20 minutes


A number of Outlook users have contacted us to ask about using Outlook after upgrading to Windows 10.

Some users running Microsoft Office have reported various issues resulting in the inability to send emails via Outlook, since upgrading to Windows 10. Although the issue has been clearly identified, there is currently no patch available from Microsoft to remedy this issue.

This is a quick step-by-step guide to fixing this issue.

Outgoing mail issues with Outlook & Windows 10

Step 1

Right click on the start button

Firstly, you'll need to right click on the Windows 'Start' button.

Right click on the start button

Step 2

Choose 'Command Prompt (Admin)'

Then choose 'Command Prompt (Admin)' from the context menu.

Choose 'Command Prompt (Admin)'

Step 3

Command prompt

After you have clicked on the 'Command Prompt (Admin)' option, the command prompt will open.

Command Prompt

Step 4

Run scan

When command prompt has opened, simply enter the following:

sfc /scannow

The scan will start and can take up to 20 minutes to complete. Once the scan is finished, simply restart your computer and this issue will be resolved.

Run scan

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