line-height

Sets the height of a line box. Or, basically, the height of a line of text.

Estimated Support About

90.24% + 9.76% = 100.0%

Apple Mail

macOS

14

iOS

15

Gmail

Desktop Webmail

2021-10

iOS

2021-10

Android

2021-10

Mobile Webmail

2021-10

Outlook

Windows

2007
1
2010
1
2013
1
2016
1
2019
1

Windows Mail

2021-10
1

macOS

2011
2016
16.80

Outlook.com

2021-10

iOS

2021-10

Android

2021-10

Yahoo! Mail

Desktop Webmail

2021-10

iOS

2021-10

Android

2021-10

AOL

Desktop Webmail

2021-10

iOS

2021-10

Android

2021-10

Samsung Email

Android

6.0

Mozilla Thunderbird

macOS

78.14

ProtonMail

Desktop Webmail

2021-10

iOS

2021-10

Android

2021-10

Fastmail

Desktop Webmail

2021-10

HEY

Desktop Webmail

2021-10

Orange

Desktop Webmail

2021-10

iOS

2021-10
2

Android

2021-10
2

LaPoste.net

Desktop Webmail

2021-10

SFR

Desktop Webmail

2021-10

iOS

2021-10

Android

2021-10

GMX

Desktop Webmail

2022-06

iOS

2022-06

Android

2022-06

1&1

Desktop Webmail

2022-06

Android

2022-06

Mail.ru

Desktop Webmail

2021-10

WEB.DE

Desktop Webmail

2022-06

iOS

2022-06

Android

2022-06

WP.pl

Desktop Webmail

2025-09

Notes

  • 1

    Buggy. em and px units behave weirdly. Use mso-line-height-rule:exactly.

  • 2

    Partial. normal value is not supported.

Resources

Sponsor

Resend

Sponsored by Resend. Email for developers. The best way to reach humans instead of spam folders. Deliver transactional and marketing emails at scale.

Know something we don't?

Is any of the above data outdated? Or do you want to add a new email client to the list? Heads on to GitHub and edit the data file!

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Test it yourself

This feature was last tested on October 02, 2021.

If you want to test this feature in the same conditions as we did, you can get our test code and run a test by yourself. Make sure to follow our testing recommendations first.

View the test code