default, Outlook has a Send/Receive Group named All Accounts.
2. Try it: Find the Send/Receive Groups
Send/Receive->Send & Receive.
Define Send/Receive Groups.
You See? The default Group is scheduled to send/receive
30 minutes. You can change the time interval if you wish.
options include: New, Edit, Copy, Remove and Rename.
This, Too: Edit the Group
Group: All Accounts.