CoolUtils OST to PST Converter Tips: Best Settings for Zero Data Loss

CoolUtils OST to PST Converter — Tips: Best Settings for Zero Data Loss

Before you start

1. Backup: Copy the source OST file(s) to a separate folder before opening the converter.
2. Use trial first: Run the free trial on a small sample to verify results and settings.

Recommended settings (preserve everything)

• Mode: Full conversion (not selective export).
• Output format: PST (Unicode) — preserves large mailboxes and all metadata.
• Folder structure: Keep original folder hierarchy (enable “Preserve folder structure” if present).
• Item types: Convert all item types (Mail, Contacts, Calendar, Tasks, Notes, Journals, Attachments).
• Date/time and timezone: Preserve original timestamps (disable any “normalize dates” option).
• Encoding: Auto/UTF-8 for message bodies to keep special characters intact.
• Attachments: Enable “Extract and attach” or “Include attachments” (default include).
• Metadata: Ensure options to keep read/unread status, flags, categories, and message headers are enabled.
• Large mailbox handling: Enable PST splitting (e.g., 10–20