background-image

Estimated Support About

75.76% + 18.18% = 93.94%

Apple Mail

macOS

12.4

iOS

12.1

Gmail

Desktop Webmail

2019-02

iOS

2018-09
1
2018-10
2019-02

Android

2018-09
1
2018-10
2019-02

Mobile Webmail

2020-02

Outlook

Windows

2007
5
2010
5
2013
5
2016
5
2019
5

Windows 10 Mail

2019-02

macOS

2019-02

Outlook.com

2019-02

iOS

2019-02

Android

2019-02

Yahoo! Mail

Desktop Webmail

2019-02
3 4

iOS

2019-02
3 4

Android

2019-02
3 4

AOL

Desktop Webmail

2019-02
3 4

iOS

2019-02
3 4

Android

2019-02
3 4

Samsung Email

Android

5.0.10.2
2
6.0.04.6

Mozilla Thunderbird

macOS

60.5.0

ProtonMail

Desktop Webmail

2020-03

iOS

2020-03

Android

2020-03

Fastmail

Desktop Webmail

2021-07

HEY

Desktop Webmail

2020-06

Orange

Desktop Webmail

2019-08
2021-03

iOS

2019-08

Android

2019-08

LaPoste.net

Desktop Webmail

2021-08

SFR

Desktop Webmail

2019-08

iOS

2019-08

Android

2019-08

Mail.ru

Desktop Webmail

2020-10

Notes

  • 1

    Partial. Not supported with non Gmail accounts.

  • 2

    Buggy. Requires at least one <img> element in the email to download all images.

  • 3

    Partial. Does not support multiple values. The comma between two values is removed.

  • 4

    Partial. Images URL must be between quotes.

  • 5

    Background images can be used in VML. See backgrounds.cm and VML documentation.

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Is any of the above data outdated?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!

Edit this page on GitHub Report an issue on GitHub

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Test it yourself

This feature was last tested on February 28, 2019.

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