MailsDaddy offers an advanced PST Merge Tool that helps Outlook users merge multiple PST files into a single PST file with ease. Whether you have multiple PST files from different Outlook versions or need to manage scattered email data, this tool provides a reliable solution. It can merge password-protected, active, or archived PST files without affecting the original data. Additionally, it ensures no duplication and maintains the meta properties of emails, such as To, Cc, Bcc, Subject, and Attachments. The software provides a preview option before merging, allowing users to check their data before finalizing the process. It supports all Outlook PST file formats and works efficiently on all Windows systems. Try the free demo version, which allows you to merge two PST files for free.

Blog: How to Combine multiple PST files