Step 1: Open Outlook.
Step 2: Click the File Tab, click Open, click Import.
Step 3: On the File menu, click Import and Export.
Step 4: Click Export to a file, and then click Next.
Step 5: In the list, click Personal Folder File (.pst), and then click Next.
Step 6: Select the email account name that you wish to take a .pst file.
Step 7: Click Browse button and decide where you will export .pst file and then click OK.
Step 8: Click Finish
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