How to Convert Outlook PST Files to ICS File Format?

Microsoft Outlook is an email client that provides various functions such as task managing, contract managing, web browsing, journal logging, and calendaring. Also, it helps you to focus on the message that matters to you the most. You can open your PST file in Outlook. Some of the users want to convert PST to ICS files.

PST files- It stands for Personal Storage Table. The file format for the PST file is .pst. This is used to store the copies of calendar events, messages, and other items within the Microsoft software such as Microsoft Outlook, Windows Messaging, etc.

ICS files- An ICS file refers to the iCalendar file. This can be opened using Outlook, Google calendar applications, and other emails. It is used to send meeting requests to the people and these are plain text files that describe events.

Reason to Export PST to ICS File

  • You can import and export your events into your calendar.
  • It is an open standard as it allows you to transfer the calendar information between various vendors or for business work.
  • There is no limit to the exchange of files. So, you can export PST to ICS Files.
  • This allows storing your calendaring information such as journal entities and some information.

Here, you can refer to some of the reasons mentioned above to convert PST to ICS Files. Also, you can refer to some solutions to export PST to ICS files as mentioned below.

A Solution to Convert PST File to ICS File

  • First, you have to open the Microsoft Outlook application.
  • After that, select the Calendar button.
  • Now, select the calendar that you want to Convert to ISC file format.
  • You can now open the File menu.
  • After that, click on the Save Calendar option.
  • Click on the Save as an option and then type the Name of the file.
  • Now, choose the destination where you want to save the file.
  • For additional details, you can click on the More option.
  • After that, you can select the today, tomorrow, specific dates, and the whole calendar in the Date Range drop-down menu.
  • Now, click on the OK button after applying the required configuration.
  • At last, click on the Save button.

Moreover, after following the above steps you can easily convert PST to ICS files. Also, there are some limitations to this solution. You can refer to them as mentioned below.

Limitations to Export PST to ICS File

  • These files are not easy to read and understand.
  • Also, you cannot import large size files.
  • Loss of data.
  • It is a time-consuming process.
  • Non-technical people can only perform this solution under complete guidance.

You cannot import large size ICS files and also these are not easy to read and understand. So, to overcome these limitations, I recommend a best PST converter software as it helps you to convert PST to EML file formats. Thus, the EML can be opened as ICS file format. It can also capable of converting into another file format or email client such as PST to Gmail, PDF, MBOX, EMLX, TXT, HTML, MHTML, etc. which are suitable for your understanding. For more brief you can go through this video for better understanding.


Here, I have given the solution for how to convert PST to ICS file, also described the possible reason for this conversion. The solution is described in a step by step manner. Additionally, the above method has some limitations. So, to avoid those limitations, I have mentioned an alternate solution that can export PST file to EML and EML file format can be opened as ICS file format.

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