The perfect solution for combining multiple PST files in Outlook is Regain Outlook PST Merger tool. This tool offers an effective way to merge several PST files into one file while preserving all information like emails, contacts, calendars, and additional data. It is compatible with both ANSI and UNICODE formats and operates with PST files of any size. The software guarantees that the initial folder structure and email integrity are preserved while also being capable of merging password-protected PST files. Regain Outlook PST Merger removes duplicates and does not necessitate MS Outlook installation. It works with every version of Outlook and provides a free demo version for evaluation.