Cloud Synchronization

Google, Exchange, CalDAV, iCloud, Yahoo, etc.

General Information for Calendar Cloud Synchronization / Backups
aCalendar is a user interface to the local calendar storage of your Android phone. That's why all normal calendar apps (like e.g. Samsung calendar app)...
Fri, 22 Nov, 2019 at 1:21 PM
Google Calendar
To use google calendars you need to have a google account and add it to your Android phone. To sync your Google Calendar data between Google cloud and t...
Fri, 22 Nov, 2019 at 1:42 PM
Sharing of calendars
aCalendar is not involved in sharing or synchronization of your data, it's all done by your chosen cloud service. ​ To share calendars with friends, fa...
Sun, 19 Jul, 2020 at 3:55 PM
Microsoft Exchange (hotmail, Office 365,,
Setup To sync any Microsoft cloud service or corporate Exchange calendar with Android, you can use Android's built-in Exchange sync. This is provided ...
Mon, 17 Aug, 2020 at 12:45 PM
CalDAV (Owncloud, Synology, Yahoo, etc.)
To sync CalDAV-based calendars like owncloud to Android, we recommend the apps DAVx⁵ and CalDAV Sync. If you additionally install the app Open Tasks, you c...
Wed, 5 Aug, 2020 at 1:21 PM
Subscribing to web-based ICS calendars
To subscribe to a web-based ICS calendar, you can either use your cloud service or 3rd party apps. Via Cloud Service For Google Calendar, you can subsc...
Tue, 30 Jun, 2020 at 11:34 AM
To integrate your iCloud calendar in Android we recommend the apps MultiSync for iCloud or SmoothSync for Cloud Calendar
Mon, 25 Nov, 2019 at 2:16 PM
To synchronize upcoming Facebook events to Android, please follow these steps:  (Facebook no longer offers synchronization of birthday data due to privacy ...
Mon, 2 Mar, 2020 at 11:39 AM