What is 7.hta?

As an AI language model, I do not have access to specific files on your computer or the internet - like 7.hta. However, .hta (HTML Application) is a Microsoft Windows program that uses HTML and script code to create a program that runs on a Windows computer. It can be used to create simple graphical user interfaces (GUIs) for administrative tasks and to automate tasks. The "7" in "7.hta" could refer to Windows 7, a version of the Windows operating system released by Microsoft in 2009. Overall, without further context, it is difficult to provide more specific information about 7.hta.