How to Export Emails (PST file) from Outlook 2003
Open Outlook 2003 using your email credentials.
Click on File and then click on Import and Export.
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Click on Export to a file and then click on Next.
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Click on Personal Folder File (.pst) and then click on Next.
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Select your Mailbox, check the box Include subfolders and click on Next.
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Name your file, select the save location, click on Replace duplicates with items exported and then click on Finish.
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Click on OK
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Click on File and then click on Import and Export.
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Click on Export to a file and then click on Next.
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Click on Personal Folder File (.pst) and then click on Next.
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Select your Mailbox, check the box Include subfolders and click on Next.
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Name your file, select the save location, click on Replace duplicates with items exported and then click on Finish.
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Click on OK
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Updated on: 30/11/2018
Thank you!