Short answer:
Outlook on the web and Gmail may automatically add extra spacing in email signatures. You can reduce this by adjusting the line-height in your HTML.
Why does this happen?
Some email clients, including Outlook on the web and Gmail, automatically apply default line spacing to text elements. This can make your email signature appear more spaced out than intended.
How to fix line spacing
To control the spacing, apply the line-height CSS property directly to your HTML elements.
Example:
<td style="line-height: 80%;">
Adjust the percentage as needed (e.g., 70%–100%) depending on your design.
Best practice
- Apply line-height inline (not in external CSS)
- Test your signature in multiple email clients
- Start with 80% and fine-tune from there
Summary
Extra spacing in email signatures is caused by how email clients render text. Using inline line-height styling helps you maintain consistent spacing across Outlook on the web and Gmail.
