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