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Outlook
Windows
2003
2007
2010
2013
2016
2019
Windows Mail
2020-12
macOS
2016
Outlook.com
2020-12
iOS
2020-12
Android
2020-12
Samsung Email
Android
6.0
Mozilla Thunderbird
macOS
78.6
Fastmail
Desktop Webmail
2021-07
HEY
Desktop Webmail
2020-12
LaPoste.net
Desktop Webmail
2021-08
Mail.ru
Desktop Webmail
2020-12