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...
Tue, 22 Mar, 2022 at 9:42 AM
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, fam...
Sun, 19 Jul, 2020 at 3:55 PM
Microsoft Exchange (hotmail, Microsoft 365, Office 365,,
aCalendar is not involved in calendar synchronization. The app is just an user interface to the Android calendar storage and does not save any calendar data...
Fri, 26 Apr, 2024 at 9:01 AM
CalDAV (Owncloud, Synology, Yahoo, etc.)
To sync CalDAV-based calendars like owncloud to Android, we recommend the app DAVx⁵ (The app CalDAV Sync has not been developed further in recent years.) I...
Thu, 12 Jan, 2023 at 12:58 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 app DAVx⁵ 
Tue, 13 Feb, 2024 at 10:17 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