Download the tool on the link https://tools.google.com/dlpage/exchangemigration


In your local system prepare the Folder herirarchy as below


PST |> folder(rename the folder name to email ID of the user)

             Place the pst file of the user in this folder

       | > folder(rename the folder name to email ID of the user)

           Place the pst file of the user in this folder

       |>  folder(rename the folder name to email ID of the user)

            Place the pst file of the user in this folder

userlist.csv

Mention all the useremail ID and save it as userlist.csv


Also find below the system requirement to run the migration.

System Requirements

Environment:

  • G Suite, G Suite for Education, or G Suite for Government.
  • Microsoft® Exchange 2000/2003/2007/2010 or an IMAP server (Novell® GroupWise®, Cyrus, Dovecot, Courier, SunMail, Zimbra, or Gmail).

Machine to run the tool:

  • Microsoft® Windows: Windows XP SP3, Windows Vista Business SP1 or later, Windows 7, Windows 8, Windows Server 2003 SP2 or later, Windows 2008, Windows 2008 R2.
  • Microsoft Outlook® 2003/2007/2010/2013 (required only for migrating from Microsoft® Exchange or PST files). 64-bit versions and Click-to-Run versions are not supported.