In Outlook, go to File->Account settings. Make the G suite IMAP account the default account. In Outlook, go to File->Account
Category: Microsoft
Outlook 2010 Tips
Macro to use default account Outlook Multiple Accounts and Default Account Start Outlook with safe switch (Hold the Ctrl key
Microsoft Exchange Server
Helpful links to migrate and manage personal folder file (.pst) from exchange server to outlook client: How to manage .pst