SysTools Thunderbird Import Wizard adds multiple MBOX files in Mozilla Thunderbird account. At the same time, the tool can also import EML and maildir files to Thunderbird. This utility provides two options to add MBOX, EML, Maildir files; one is Add File and the other is Add Folder. By using the Add File option, one can add and import single .mbox, .maildir, .eml file whereas by Add Folder option, it is easy to import a folder having multiple .mbox, Maildir or EML files. The software makes it easy not only in the pre-configured Mozilla account profile, but can also migrate the MBOX to any other email account configured in the Mozilla Thunderbird. The utility easily imports multiple MBOX files even without changing the original format. There is no limit to add a file, as the tool can import an unlimited number of files. The user can view and read the email headers, meta data, etc. of the .mbox, .eml, .maildir files. An inbuilt Date Filter Option is provided in the program option to filter the data of added files and import EML to Thunderbird within a specific date range. One of the best features of this utility is that it maintains the folder structure intact during and after importing the files. The attachment and inline images of the source files are retained without any alteration. Mozilla Thunderbird application must be installed configured on the local system to import Maildir to Thunderbird using SysTools Thunderbird Import Wizard software.