You can manually save Outlook emails as Excel CSV file via Import/Export feature.
1. Open Outlook application on your system.
3. Navigate to File >> Open & Export >> Import/Export.
3. Choose Export to a File and click Next.
4. Select Comma Separated Value (CSV) and press Next.
5. Choose Outlook mailbox folder and hit Next.
6. Browse target location and click Finish button.
Done! That's how easily export Outllook emails to Excel CSV format.

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