Export Outlook Calendar to ICS Without Missing Events
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Written By
Aaradhya Jain -
Approved By
Shivam Rathore -
Updated on
December 21st, 2025 - Read Time
6 minutes
User Query: A user is switching from Microsoft Outlook to another calendar service and needs to export their Outlook calendar as an ICS file. The main concern is making sure that all meetings, reminders, and recurring events are included, as missing even one important event could cause problems. The user is looking for a safe and reliable way to export Outlook calendar to ICS without losing any data.
Summary: Microsoft Outlook is widely used for managing emails, meetings, and schedules. Over time, Outlook calendars become important because they store meetings, reminders, and recurring events. When users want to switch email clients, share calendars, or create a backup, exporting the Outlook calendar becomes necessary. Exporting Outlook calendar to ICS format is one of the safest ways to keep calendar events. In this blog, you will learn the manual method and a reliable DRS Outlook PST Converter to save Outlook Calendar to ICS File. Each method gives you a quick, reliable, and hassle-free process with no data loss.
What Is an ICS File?
An ICS (iCalendar) file is a standard calendar format used to share calendar data. It works with many email services and calendar apps such as Google Calendar, Apple Calendar, Thunderbird, and others. ICS files can store: Event details, Meeting dates and times, Recurring events, and Reminders. This makes ICS the preferred format for calendar export.
Instant Steps to Export Outlook Calendar to ICS
- Download and install the DRS PST File Converter.
- Choose: Select Files/Select Folder to add your PST file.
- Preview and select the PST emails to export. Hit Next.
- After that, choose the ICS Format as the Saving Option.
- Apply advanced features and filters. Click Convert.
Reasons to Export Calendar from Outlook to ICS
There are many reasons users choose to export Outlook calendar:
- Switching from Outlook to another email client.
- Importing the calendar into Google or Apple Calendar.
- It is required for creating a calendar backup.
- Sharing calendar events with others.
- Also, accessing calendar events on multiple devices.
Method 1: Manually Export Outlook Calendar to ICS (Free Method)
Outlook provides a built-in option to save calendars as ICS files. Here is how you can perform it:
- Firstly, open Microsoft Outlook.
- Now, go to the Calendar section.
- Then, click File and choose Save Calendar.
- After that, select the ICS format.
- Select the date range (entire calendar is recommended).
- In the end, click Save to complete the process. Your Outlook calendar will be saved as an ICS file.
Limitations: Manually Convert Outlook Calendar into ICS File
Although the manual method is free, it has some limitations. These limitations can lead to incomplete calendar exports.
- May miss recurring events.
- Exports only one calendar at a time.
- Limited control over event details.
- Not suitable for large calendars.
- Furthermore, requires careful date selection.
Professional Tool to Export Outlook Calendar to ICS
For a quick and hassle-free process, you can use the reliable DRS PST Converter Tool. This tool allows you to export a single or multiple Outlook calendars into ICS format at once. It is also designed with a simple interface, so that every user can easily use it without needing any technical skills. Maintaining the original data formatting, structure, and metadata during the entire process. With its demo verison, you can evaluate its features and performance. Apart from that, you can also import Outlook PST to Opera Mail and other formats, including File and Email Clients.
One-Time Calendar Export Service
This one-time Outlook Calendar to ICS export service helps users safely convert their complete calendar data without missing events. Using a reliable tool, all meetings, recurring events, reminders, and schedules are exported into an ICS file in a single process. The service does not require any technical skills, prevents common manual errors, and lets users easily import the data into other email clients or devices.
How to Export Outlook Calendar in iCalendar (.ics) format: Step-By-Step
- Primarily, launch the DRS Outlook PST Converter on your computer.
- You can choose Select Files or Select Folder to add your PST file. Click Next.
- Then, you can preview and select the PST emails to convert. Hit Next.
- After that, choose the ICS Option as the Saving Format from the given list.
- Lastly, apply advanced features/filters based on your needs. Click Convert.
Real-Life Scenario: Convert Outlook Calendar into ICS File
A project manager needed to move from Outlook to Google Calendar. Their calendar had years of meetings and recurring events. By exporting the Outlook calendar to ICS in the right way, the user successfully transferred all events without missing any important dates.
Conclusion
The process of exporting Outlook calendar to ICS is a smart way to protect and share calendar data. While the manual method works for basic needs, it may not always export all events correctly. For users who want accuracy and peace of mind, using a reliable export method ensures no events are missed. By following the right steps, you can export Outlook calendar to ICS without missing events and keep your schedule safe and accessible across platforms.
Frequently Asked Questions
Ans: You can export Outlook calendar to ICS using Outlook’s built-in Save Calendar option or by using a professional tool. For a complete and accurate export, the DRS PST Converter Tool allows you to save Outlook calendar to an ICS file without missing meetings, reminders, or recurring events.
Ans: Yes, you can export Outlook calendar to ICS without installing Outlook by using the DRS PST Converter Tool. It works directly with PST files and does not require Outlook to be installed on your system.
Ans: This usually happens due to an incomplete or corrupted ICS file created during manual export. Large calendars or recurring events may not export correctly. Using a reliable tool ensures proper formatting so the ICS file opens smoothly in Google Calendar.
Ans: Manual methods often fail with large calendars. The best solution is to use the DRS PST Converter Tool, which is designed to handle large Outlook calendars and export them to ICS format without data loss or errors.
About The Author:
I, Aaradhya Jain, a technical content writer at DRS Solutions, specializes in delivering clear, practical guides on data management, migration, and recovery tools. With a detail-oriented and user-first approach mindset, I transform complex processes into actionable insights for IT professionals and decision-makers.
