how to transfer emails from outlook to another computer

2. Export Outlook items to an Outlook Data File (. pst)

1. Click the File tab.
2. Click Options.
3. Click Advanced.
4. Under Export, click Export.
5. Click Export to a file, and then click Next.
6. Click Outlook Data File (. pst), and then click Next.
7. Select the account — a top level folder — that you want to export. ...
8. Click Next.