Download of MailBackup X 1.4.2 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The application belongs to Communication Tools. The most popular version of MailBackup X for Mac is 1.4. The application's installation file is generally known as mailbackupx143.dmg. We recommend checking the downloaded files with any free antivirus. This free software for Mac OS X is a product of QueueSoft.
From the developer:
MailBackup X is the program which keeps the mail of entourage in every folder. A file to keep can choose 1 file 1 folder or 1 file 1 message in Preference menu. Backup process is executed when a preservation point folder is set up and it clicks on the preservation button.
You may want to check out more software for Mac, such as Mail Backup X, which might be similar to MailBackup X.