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If you use it, we support it.

Backstage sets a new standard for cross-platform compatibility. We support every major device and operating system shipped in the last five years, including Windows, macOS, iOS, Linux, Android, and Blackberry. Choosing Backstage means you can use the computers, devices, operating systems, and apps of your choice. And you can mix & match. You won't find a more compatible, hassle-free hosting solution.

Windows

Application POP3 IMAP ActiveSync HTTP XMPP WebDAV CalDAV CardDAV
Mail and Calendar ● ● ●
People ● ● ●
Outlook ● ● ●
eM Client ● ● ● ● ● ●
Postbox ● ●
Edge/Firefox/Chrome ●
Gajim ●
Windows Explorer ●
Thunderbird ● ● ● ●

macOS

Application POP3 IMAP ActiveSync HTTP XMPP WebDAV CalDAV CardDAV
Mail, Contacts, Calendars ● ● ● ● ●
Reminders ● ●
Outlook ● ● ●
AirMail ● ●
MailMate ●
Postbox ● ●
Safari ●
Messages ●
Adium ●
Finder ●
Thunderbird ● ● ● ●

Linux

Application POP3 IMAP ActiveSync HTTP XMPP WebDAV CalDAV CardDAV
Thunderbird ● ● ● ●
Nautilus ●
Firefox ●
Evolution ● ●
Psi ●

iOS

Application POP3 IMAP ActiveSync HTTP XMPP WebDAV CalDAV CardDAV
Mail, Contacts, Calendars ● ● ● ● ●
Reminders ● ●
Outlook ● ● ●
Spark ● ● ●
AirMail ● ●
Mailbox Zero ● ●
GoodReader ● ● ●
Safari ●
IM+ ●
ChatSecure ●

Android

Application POP3 IMAP ActiveSync HTTP XMPP WebDAV CalDAV CardDAV
Email ● ● ●
Outlook ● ● ●
Browser ●
Xabber ●
DAVdroid ● ●
File Manager HD ●
WebDAV Navigator ●
Conversations ●