How to combine multiple PST files into one?

[DataFusion]

Merging multiple Outlook PST files manually can be time-consuming and may result in duplicate emails or disorganized folders. A reliable solution is Stellar Merge Mailbox for Outlook. This tool allows you to merge multiple PST files into a single file while preserving all emails, attachments, contacts, calendars, and folder structure. It also removes duplicate items automatically, keeping the merged PST file clean and optimized