Hey If you are searching for the best tool or techniques for extracting calendar events from PST files, then here are some best tools that I used to extract calendars from PST File;

Microsoft Outlook: The most straightforward method is to use Microsoft Outlook itself. You can open the PST file in Outlook and export the calendar events to various formats, such as CSV or ICS.

Third-Party Software: There are also third-party tools for managing and extracting information from PST files. For instance, Softaken Outlook Attachment Extractor is a software designed to extract calendar attachments from Outlook data files such as PST, OST, and MSG. It comes with a user interface making it convenient to use.

Here is a step-by-step guide for extracting calendar events from PST files using Third-Party Software;

1. First of all, install this software after downloading it from the website.

2. Then run it and after opening simply select your PST file by hitting the Browse button.

3. After this select the Calendar option and then choose a file format such as ICS and MSG.

4. Then Select your Output location and after selecting your output location simply press the "Process Now Button"