How do I remove the two line emails I'm now getting?

It seems like you are experiencing an issue with the formatting of your emails in Outlook, where each email is displaying in two lines, one bold and one regular. Unfortunately, the provided context does not contain specific instructions on how to remove this formatting or change the appearance of your emails in Outlook.

You might want to check your email settings or formatting options within Outlook to see if there are any adjustments you can make. Additionally, if you are using a specific view or layout, switching to a different one might help resolve the issue. If the problem persists, consider reaching out to Microsoft support for further assistance.

References:

• Line breaks are removed in posts made in plain text format in Outlook
• You can't remove a calendar item or an email message in Outlook in Microsoft 365

Is this Outlook in the web browser interface? Could you upload a screen which illustrates what you see?

You should of course make sure that you do not include any personal information such as e-mail addresses in the screen shot.