The SysTools MAB Converter software allows a user to export Mozilla Thunderbird MAB file to some commonly used file formats like Outlook PST, CSV, LDIF and vCardor VCF format. The application also saves Mozilla Thunderbird MAB into vCard Address Book. Two different options are provided within the tool to migrate contacts of Thunderbird account into Microsoft Outlook data file. The first option is File for single conversion of MAB file to PST, CSV etc. and the second option is Folder to export the data in bulk. One can easily merge two or more Mozilla files from the option provided in the program. It also allows a user to save the address book to MAB format. All the associated attributes such as contact number, pager number, etc. are exported along with the Mozilla Address Book file. There is no file size limit for the conversion of Thunderbird contact files. Two working modes are given in the program i.e the user can work with Outlook installed on the local system and can also work without MS Outlook installation. Windows 10 and all the below versions of the tool are supported by SysTools MAB Converter application. The demo version of the tool can export only 25 items per folder to Outlook PST, CSV & vCard file format. The user is required to upgrade the full version of the Thunderbird Address book Converter for $49