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Data synchronisation - overview

Overview: Data synchronisation with mailbox​

mailbox Office provides a variety of interfaces to securely and efficiently synchronise your data with different devices. These include:

  • Email via IMAP & SMTP
  • Calendar and tasks via CalDAV
  • Address book via CardDAV
  • Files via the Drive Client, WebDAV, or the web interface
Data typeRecommended method
EmailIMAP & SMTP
Calendar and tasksCalDAV
Address bookCardDAV
FilesDrive Client, WebDAV, or web interface

Synchronisation periods and limitations​

MethodPastFutureMax. numberSpecial notes
IMAP / POP3unlimited (emails)unlimitedunlimited–
CalDAV30 years (calendar)10 years––
CardDAVno restrictions (addresses)–––
ActiveSync3 years (calendar), 18 months (emails)3 years (calendar)500 emails/folderLimited functions: no recurring tasks, max. 36 kB contact picture size
Note

ActiveSync was developed for fast synchronisation on mobile devices – for large or older mailboxes we recommend IMAP and CalDAV/CardDAV.

Drive storage by plan​

PlanDrive usage
LightOnly as a family account member
StandardFull access (file size up to 1 GB)
PremiumFull access (file size up to 1 GB)

System support by platform​

PlatformEmailCalendarAddress bookFiles
macOSIMAP, POP3, SMTP (Apple Mail, Thunderbird)CalDAV (Calendar.app)CardDAV (Contacts.app)Drive Client & WebDAV
LinuxIMAP, POP3, SMTP (Thunderbird, KMail etc.)CalDAV (Evolution)CardDAV (Evolution)WebDAV
WindowsIMAP, POP3, SMTP (Outlook, LiveMail etc.)CalDAV (CalDAV Synchronizer)CardDAV (CalDAV Synchronizer)Drive Client for Windows
AndroidIMAP, POP3, SMTP or ActiveSyncCalDAV or ActiveSyncCardDAV or ActiveSyncDrive Client for Android (Play Store)
iOS/iPadOSIMAP, POP3, SMTP or ActiveSyncCalDAV or ActiveSyncCardDAV or ActiveSyncDrive Client for iOS (App Store)
Other smartphonesIMAP, POP3, SMTP or ActiveSyncCalDAV or ActiveSyncCardDAV or ActiveSync–
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