overflow

Sets the desired behavior when content does not fit in the element’s padding box

Estimated Support About

26.83% + 68.29% = 95.12%

Apple Mail

macOS

12.4
1
2024-10
4

iOS

12.1
2024-10
4

Gmail

Desktop Webmail

2019-02
2024-10
4

iOS

2019-02
2024-10
4

Android

2019-02
2024-10
4
2025-07
1 4

Mobile Webmail

2020-02
2024-10
4

Outlook

Windows

2013
2016
2019
2021
2024

macOS

2019-02
16.80
2024-10
4

Outlook.com

2019-02
2024-01
2024-10
3
2025-05
4

iOS

2019-02
2024-10
4

Android

2019-02
2025-05
1 4

Yahoo! Mail

Desktop Webmail

2019-02
2025-05
4

iOS

2019-02
2024-10
4

Android

2019-02
2025-05
1 4

AOL

Desktop Webmail

2019-02
2024-10
4

iOS

2019-02
2024-10
4

Android

2019-02
2025-07
1 4

Samsung Email

Android

5.0.10.2
2024-10
4

ProtonMail

Desktop Webmail

2020-03
2025-07
3

iOS

2020-03
2025-07
3

Android

2020-03
2025-07
1 3

Orange

Desktop Webmail

2019-08
2
2021-03
2024-10
3

iOS

2019-08

Android

2019-08

GMX

Desktop Webmail

2022-06
2024-10
3

iOS

2022-06
2024-10
3

Android

2022-06
2024-10
3
2025-07
1 3

WEB.DE

Desktop Webmail

2022-06
2024-10
3

iOS

2022-06
2024-10
3

Android

2022-06
2024-10
3

WP.pl

Desktop Webmail

2025-09

Notes

  • 1

    Buggy. Cannot scroll through to hidden content.

  • 2

    Not supported. overflow is replaced by java-script.

  • 3

    Partial. Support for overflow-block & overflow-inline depends on browser support.

  • 4

    Partial. overflow-block & overflow-inline not supported.

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Is any of the above data outdated?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!

Not comfortable with GitHub? Send us an email.

Test it yourself

This feature was last tested on May 27, 2025.

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.