FileZilla automates the process of transferring files between computers or computer networks over the Internet. Maintained as open source software, FileZilla was originally a classroom project and is now maintained by volunteers and is available from a number of sources online.

Users select a target computer and enter access data and passwords before selecting a file to transfer to the target computer. The FileZilla software handles the transfer of the data. The system records the transfer of data and provides reports to the original user.

FileZilla has been adapted to a number of computer platforms and operating systems over the years. Other advances include increases in operating speed and enhanced security of the transmitted files.

Users have made FileZilla one of the most popular software packages of all time with thousands using it to transfer files from computer to computer. It is most commonly used for transferring files too large to be sent as an email attachment. In other uses, entire folders of data can be sent at once.

FileZilla actually has two separate software pieces. FileZilla Client software operates on the target computer and receives the files while the more common FileZilla serves as the sending agent. The two programs, working in tandem, are known for simplicity of use and flexibility. Along with the ability to work across multiple computer platforms, FileZilla’s operating instructions are available in multiple languages.

Support is available from the organization of volunteers that maintain FileZilla through blogs and instructions on the organizations website. The software is available to download from a number of online sources.