What is the safest way to combine multiple PST files?

[juliewhite]

The safest way to combine multiple PST files, especially on macOS is by using a reliable utility like Mailvita Merge PST for Mac Tool. This application can merge PST files without losing or corrupting any data. It will also keep the original folder structure and email attributes. You can use it to combine several files into one PST or merge certain folders as needed all without having to use Outlook. The application also works well with huge PST files and keeps attachments, contacts, calendars, and other data safe making it a safe and easy way to manage Outlook data on a Mac.