Steps to Convert MBOX to PST Manually
Step 1. Open Microsoft Outlook and go to File.
Step 2. Click on Import and Export to open the Import/Export Wizard.
Step 3. Click on Import from another program or file -> Next.
Step 4. Click on Personal Folder File (.pst) -> Next.
Step 5. Click on Browse option to locate or store the converted PST file.
Step 6. Click Next -> Finish.
Ralph Miller