Mailvita Merge PST for Mac Tool Merges Multiple PST Files Without Duplicate Emails. This tool makes it easier to deal with PST files that are spread out among different accounts or backups. It saves it the trouble of dealing with a lot of files and makes sure that all of your Outlook mailbox data is in one place for easy management. They can choose to merge full PST files, folders or only contacts with the software, depending on what you need. There is no chance of losing or damaging data because it preserves the original folder hierarchy, email characteristics, attachments and metadata during the merging process. The program can easily work with PST files in both ANSI and Unicode formats. It works with all versions of Outlook PST files and works well on the newest versions of macOS. Its easy-to-use interface makes it good for both technical and non-technical people. This tool is a safe way for anyone who wants to organize Outlook data on a Mac and save time by not having to keep track of many PST files.