ExtensionFile

XST files can take various formats, depending on their application, of which we will see some below:

WebSphere Application Server

XST file is a type of file used by WebSphere Application Server, a server program that hosts web applications.

WebSphere Application Server is a software product, developed by IBM, that performs the function of a web application server.

More specifically, it is a software framework and middleware that hosts Java-based web applications.

In this case, the XST file contains a Java class of type SQLtoXML, with database connection information and an SQL query.

The XST is used to generate XML data from SQL database queries.

XST files are stored in XML format. They can be created with WebSphere Studio Application Developer or with any XML editor.

In this case, the XST file is a file extension commonly associated with Microsoft Outlook Personal Folders Format files.

Microsoft Outlook is a personal information manager app from Microsoft consisting of webmail, calendaring, contacts, and tasks services.

This application migrated to cloud services, being called, from that moment, Outlook.com

The XST file, in this section, serves as a folder file in the Outlook dropdown tree.