: Import that same PST file back into the same mailbox 5–10 times into different top-level folders. This creates a massive amount of duplicate/structured data.
sample.pst or test_mailbox.pst Example: The “pst-tools” or “libpst” projects often have a test/data/ folder containing sanitized PSTs. pst sample file download
This is the best approach. Create a dummy PST in under 5 minutes: : Import that same PST file back into