Synology Calendar

DSM Version

Synology Calendar


  • Synology Calendar lets you host your own time-management and scheduling calendar, with the ability to share calendars with team members and keep tasks on track
  • Task management functions help you organize individual tasks and send task due notifications to ensure all tasks are completed on schedule
  • Compatible with various CalDAV clients, allowing you to synchronize events with various CalDAV clients such as Apple Calendar, or Thunderbird
  • Integrated with MailPlus, allowing you to create events directly from dates mentioned in MailPlus


  • Calendar
    • View the calendar by day, week, and month
    • Hide calendars from the overview page
    • Share calendars with DSM users, granted the permission to edit or only view the events
    • Share calendars with public in read-only mode as a way of announcing schedules
    • Receive invitations from other DSM users and reply directly
    • Filter invitations by different participation status, including "Yes", "Maybe", "No" and "Awaiting"
  • Event
    • Create events on all the calendars you have permission to manage
    • Create recurring events with the repeat setting
    • Invite DSM users and non-DSM users to the event, and view their replies on Synology Calendar
    • Event reminder notifies you of the upcoming event before a predefined period of time
    • Daily agenda merges all events of the day from your calendars
    • Jump to a specified date to create an event on the fly
    • Advanced Search to quickly find events by keywords, calendars, or dates
    • Notification Center allows you to view all event reminders at once
  • Settings
    • Customized date format, time format, week start day, and time zone
    • The visibility of calendars can be canceled
    • Enable email or browser notifications
  • Integration
    • Supports synchronization with CalDAV clients such as Thunderbird, macOS, and iOS that are compatible with the CalDAV protocol