Convert PST to ICS: Simple & Accurate Conversion

Written By Kiran Sharma
Updated on September 4th, 2025

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User Query:

“John is a marketing manager from California who recently reached out with a concern. He had years of Outlook calendar data saved in a PST file. Consequently, he wanted to convert all his data into Google Calendar without losing any data. John was worried about whether it was safe, accurate, and easy to convert Outlook PST files to ICS without requiring technical knowledge.”

Introduction: In particular, John needed to migrate his Outlook calendars to Google Calendar in ICS format. His challenge was to make sure that there would be no data loss during the conversion. Moreover, like many professionals, John was also stressed about the security and ease of use. Therefore, his query highlights the common need for individuals and business professionals to convert PST to ICS for better accessibility and multi-platform compatibility. His issue can easily be sorted out through a reliable PST File Converter Tool

Table of Contents

A Quick Comparison of How PST is Different from ICS

Features	PST (Portable Storage Table)	ICS (iCalendar)
Primary Use	It stores complete Outlook Data.	It stores only calendars.
Requirement	Requires MS Outlook to open.	Easily accessible
Ease of Sharing	It is difficult to share due to the large size of the files.	Easy to share
Accessibility	Accessible with MS Outlook	Accessible with Google Calendar, Thunderbird, etc.
Best For	Who needs complete Outlook Data	Who only need to share or access calendar events

Easy Steps to Convert PST Files to ICS

Firstly, download and install the PST Converter Tool and select the Single File, and click Next.
Afterward, add the PST file and click Next.
Subsequently, expand the tree structure, and click Next.
Further, save the PST file in ICS format and apply the built-in features.
At last, click Convert and download the report if needed.

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An Automated Approach to Convert PST to ICS

The most secure and effortless way to convert a PST file to ICS is by using a professional MigrateEmails PST File Converter Tool. In fact, this software is specifically designed to handle multiple conversions with complete accuracy and high-end security, without losing any data.

The following are the steps to convert Outlook calendar to ICS:

First, download and install the PST File Converter Tool, select the single/multiple files, and click Next.
After that, click Select to add the PST file, open it, and click Next.
Further, expand the tree structure, click preview to view the content, and tap Next.
Afterward, save the PST file in ICS format.
At last, apply the additional filters if needed and click Convert.

Key Features of Professional Tool

Here are the advantages of a professional tool to convert PST to ICS:

An automated approach exports multiple PST calendars to ICS simultaneously.
It keeps the folder structure, layouts, attachments, and data as it is.
Additionally, it has a user-friendly interface, hence suitable for both tech and non-tech users.
Apart from ICS, you can also convert PST to DOC.
Finally, it ensures high-end security and safe conversion without losing any information.

Export PST to ICS Manually

If you don’t want to use a third-party tool, Outlook allows a manual process for conversion. However, this method has some limitations.

Method 1. Convert PST to ICS Using MS Outlook

First, open MS Outlook, select the Calendar, and open the File tab.
Afterward, select the save calendar option and choose the desired location to save, and click on More Options.
Apply the additional filters and click OK.

Method 2. Publish Calendar to Outlook/Office 365 Online (Then Download ICS)

Firstly, open Outlook, go to Calendar → Home → Publish Online → Publish This Calendar.
After that, sign in with your Outlook/Office 365 account.
Once done, you’ll get a sharing link.
Finally, open the link in a browser and download the calendar as an ICS file.

Drawbacks of the Manual Method

The manual method has several drawbacks:

First, it cannot convert multiple PST calendars simultaneously.
Moreover, it is very time-consuming and requires installing Outlook.
There are high chances of data loss, attachments, and layouts.
Unfortunately, it is not suitable for non-technical users.

Note: You may also check how to convert PST to MBOX.

Conclusion

To conclude, converting PST files to ICS is often compulsory for professionals who need accuracy, high-end security, and reliability across platforms. However, while the manual method works for small conversions, it has several drawbacks, such as being time-consuming and chancesof losing data. Therefore, the automated tool is the most reliable way to convert PST to ICS safely.

Frequently Asked Questions

Q1. Which is the best tool to convert PST to ICS?

Ans. The PST file converter is the best tool for safe and multiple PST to ICS conversions.

Q2. Can I safely convert PST Files to ICS without risking my data security?

Ans. Yes, of course, with the best reliable tool, your complete data remains secure and intact without losing any data during the conversion process.

Q3. Is it possible to export PST to ICS without any technical knowledge?

Ans. Absolutely, the tool has a simple and user-friendly interface specifically created for non-technical users as well.

Q4. How to convert PST format to ICS with Attachments in bulk?

Ans. To convert multiple PST files to ICS format, you can use the PST file converter tool.

About The Author:

Kiran Sharma

I am Kiran Sharma, a Technical Expert in Content writing. I have technical expertise in the field of Email Backup, Data Recovery, and Email Migration, and resolve technical queries related to Cloud Backup or Email Migration for individuals and businesses.