How do I backup my Outlook emails?

1. Open Microsoft Outlook
2. Go to File > Open & Export > Import/Export
3. Select “Export to a file” and click Next
4. Select “Outlook Data File (.pst)” and click Next
5. Select the folder you would like to backup (usually “Outlook Data File”) and click Next
6. Select the location you would like to save the backup file and click Finish.