Google Calendar ICS Format: Mastering the Basics

Kayla Jul 09, 2026

Google Calendar, a popular scheduling tool, supports various calendar formats for importing and exporting events. Among these, the .ics format is widely used due to its simplicity and compatibility with numerous applications. Understanding the Google Calendar ICS format can help you efficiently manage your events and share them with others.

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Google Calendar Hacks from 5 Ridiculously Productive Small Business Owners | Gusto

ICS, which stands for iCalendar, is a standard calendar format that allows you to exchange calendar data between different applications and platforms. It uses a plain text format with a specific syntax, making it easy to read and write. Let's delve into the Google Calendar ICS format, its structure, and how to use it.

How to Import an iCal or .ICS File to Google Calendar
How to Import an iCal or .ICS File to Google Calendar

Understanding the Google Calendar ICS Format

The Google Calendar ICS format consists of a series of lines, each starting with a property name followed by a colon (:) and its corresponding value. These lines are grouped together using the BEGIN and END keywords to define the start and end of a specific section. Here's a basic structure of an ICS file:

Export Google Calendar to ICS file format step by step backup guide
Export Google Calendar to ICS file format step by step backup guide

BEGIN:VCALENDAR
VERSION:2.0
BEGIN:VEVENT
SUMMARY:Event Summary
DTSTART;VALUE=DATE-TIME:20220301T090000
DTEND;VALUE=DATE-TIME:20220301T100000
LOCATION:Event Location
DESCRIPTION:Event Description
END:VEVENT
END:VCALENDAR

Key Properties in Google Calendar ICS Format

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Google Sheets Calendar Templates | Firstprintable

Several properties are used in the Google Calendar ICS format to define an event. Some of the most common ones include:

  • SUMMARY: A brief description of the event.
  • DTSTART: The start date and time of the event.
  • DTEND: The end date and time of the event.
  • LOCATION: The venue or location of the event.
  • DESCRIPTION: A detailed description of the event.

Formatting Date and Time in ICS

🗓️ My Google Calendar
🗓️ My Google Calendar

In the Google Calendar ICS format, dates and times are represented using the ISO 8601 standard. The DTSTART and DTEND properties use the following format:

YYYYMMDDTHHMMSS, where:

  • YYYY: Four-digit year
  • MM: Two-digit month
  • DD: Two-digit day
  • T: Separator between date and time
  • HH: Two-digit hour (24-hour clock)
  • MM: Two-digit minute
  • SS: Two-digit second
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Exporting and Importing Google Calendar ICS Files

Google Calendar allows you to export and import events using the ICS format. To export an ICS file, follow these steps:

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  1. Open Google Calendar and navigate to the desired calendar.
  2. Select the events you want to export by checking the boxes next to them.
  3. Click on the three vertical dots (⋮) in the toolbar and select "Export."
  4. Choose the date range for the exported events and click "Export."

To import an ICS file into Google Calendar, follow these steps:

  1. Open Google Calendar and navigate to the desired calendar.
  2. Click on the "+" icon next to "Other calendars" on the left sidebar.
  3. Select "Import" from the dropdown menu.
  4. Choose the ICS file from your computer and click "Import."

Google Calendar will then add the imported events to your selected calendar. Keep in mind that importing an ICS file will overwrite any existing events with the same UID (Unique Identifier) in the calendar.

Using Google Calendar ICS Files with Other Applications

ICS files can be used with various calendar applications, not just Google Calendar. Many email clients, such as Outlook and Apple Mail, support importing and exporting ICS files. This makes it easy to share events between different platforms and applications. To share an ICS file, simply send it as an attachment in an email or upload it to a shared location, like a cloud storage service.

In conclusion, understanding the Google Calendar ICS format opens up a world of possibilities for managing and sharing your events. By mastering this simple yet powerful format, you can streamline your scheduling process and ensure compatibility with numerous calendar applications. So go ahead, give ICS a try, and experience the convenience it brings to your daily life.