To Export Exchange Mailbox to PST file individually, SysInspire Free EDB to PST Converter tool is very helpful software. It is also used to convert Exchange database EDB files to PST format. If you have a damaged EDB file, it will initially repair it and then begin the conversion process. There is no file size restriction on conversion, and you can split the larger pst file into various short pst files. You can make free EDB to PST recovery by using the trial version of the software.
For More Info:- SysInspire Free EDB to PST Converter tool

In the EAC, go to Recipients > Mailboxes > click More options. , and select Export to a PST file.
The Export to a . pst file wizard opens.
On the next page, enter the UNC path and filename of the target . pst file.
On the last page, configure one of these settings:
Regards,
Willjoe