Latest update on 26/09/2025 using MJML > 4.16.1
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Compatibility for mj-button align attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button background-color attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button border attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button border-bottom attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button border-left attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button border-radius attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button border-right attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button border-top attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button color attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button container-background-color attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button css-class attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 1 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 1 | 11 |
- 1When using to apply styles using
mj-style, styles must be inlined.
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button font-family attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button font-size attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button font-style attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button font-weight attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button height attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button href attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button inner-padding attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button letter-spacing attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button line-height attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button padding attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button padding-bottom attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button padding-left attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button padding-right attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button padding-top attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button rel attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button target attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button text-align attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button text-decoration attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button text-transform attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button title attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button vertical-align attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
NOTE: Does not work with line-height or in clients that don't support the height attribute.
Latest update on 26/09/2025 using MJML > 4.16.1
Compatibility for mj-button width attribute
| Apple Mail | Gmail | Outlook | Yahoo | AOL | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| macOS | iOS | Windows | macOS | iOS App | Android App | Windows | Office 365 (Windows) |
Office 365 (macOS) |
Windows Mail | Outlook.com (Windows) |
Outlook.com (macOS) |
Microsoft365.com | iOS App | Android App | Windows | macOS | iOS App | Android App | Webmail |
| 11 | |||||||||||||||||||
| 15 | 12 | 2016 | 15 | ||||||||||||||||
| 13 | 16 | 16 | 13 | 2019 | 13 | 16 | 16 | ||||||||||||
| 14 | 17 | 10 | 14 | 17 | 14 | 2021 | 10 | 14 | 10 | 10 | 14 | 10 | 17 | 12 | 10 | 14 | 17 | 13 | 10 |
| 15 | 18 | 11 | 15 | 18 | 15 | 2024 | 11 | 15 | 11 | 11 | 15 | 11 | 18 | 13 | 11 | 15 | 18 | 14 | 11 |
Latest update on 26/09/2025 using MJML > 4.16.1