If you need to manage .pst files in users’ Outlook profiles. to help automate these activities related to .pst files, sample tools are now available for download and use from the Microsoft Download site.
The Getpst.exe tool allows you retrieve information about the existing services (PST files) in a given e-mail profile. It is possible to retrieve information about all ANSI PST files, all UNICODE PST files, or both file types.
The Addpst.exe tool allows you to add PST services (PST files) to a given e-mail profile. You can add either new or existing PST files to the profile. The file will be created at the specified file location. The PST file can be either in ANSI format (Outlook 97-2002 Personal Folders File) or UNICODE format (Office Outlook Personal Folders File).
The Delpst.exe tool allows you remove services (PST files) from a given email profile. It is possible to remove all ANSI files, all UNICODE PST files, or all files of both types. This tool cannot be used to remove individually specified .pst files from a profile.
These tools use extended MAPI as this is the only supported way to programmatically change MAPI profiles. For additional information, please see the following article in the Microsoft Knowledge Base. 266352 INFO: MAPI Is the Only Way to Programmatically Change Profiles
We would also require to install prerequisite to run the all of above tools. We can refer to the following article for further information and usage of the tools: Outlook Tools: description of sample tools for managing PST files in your Outlook Profile
Hope this helps!!!