BitRecover Outlook Duplicate Remover is an efficient and reliable utility built to detect and eliminate duplicate items from Outlook data files, including PST and OST formats. Whether caused by mailbox imports, sync issues, or server errors, duplicates can clutter your Outlook and slow down performance. This tool simplifies the process by scanning selected folders or entire Outlook data files and identifying duplicates based on criteria such as subject, sender, recipient, date, and attachments.