Limits for iCloud Contacts, Calendars, Reminders, Bookmarks and Maps

To help iCloud keep your Contacts, Calendars, Reminders, Bookmarks and Maps up to date, keep your information within these limits.

Calendars and Reminders

  • Total number of calendars, events and reminders: 50,000*
  • Maximum combined number of calendars and reminder lists you can have: 100*
  • Maximum size of all calendar and reminder data (including attachments): 1 GB*
  • Maximum number of characters in a reminder title: 1,000*
  • Maximum size of a calendar event (including attachments): 20 MB
  • Maximum number of attachments per event: 20
  • Maximum number of attendees you can invite to an event: 300
  • Maximum number of people with whom you can share a private calendar: 100

* If you have upgraded your iCloud reminders on a device running iOS 13, iPadOS, or macOS Catalina or later, these limits on reminders do not apply. Find out more about the Reminders upgrade process.

Contacts

  • Total number of contact cards: 50,000
  • Maximum size of a contact card: 256 KB
  • Maximum size of a contact photo: 224 KB
  • Maximum size of a contact group: 256 KB
  • Maximum size of all contact cards:
    • Card text: 48 MB
    • Card photos: 200 MB
  • Supported file types for a contact photo: JPEG, BMP, PNG and GIF
  • vCard import limits:
    • Total number of vCards: 50,000
    • Maximum size of a vCard: 256 KB (photo + text)
    • Maximum photo size for a vCard: 224 KB

Bookmarks

  • Total number of bookmarks: 25,000
  • Maximum size of a bookmark: 4 KB
  • Maximum size of all bookmarks: 24 MB

Maps

  • Total number of places across all Collections: 300
  • Total number of places in Favourites: 100

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