These are the most frequently asked questions to which one can find professional answers on our pages. We have included on our pages information about all the file extensions with their brief description and programs to run them. The most common file format with the extension. PTX file, which is associated with the file types. It also happens that the file extension is associated with a number of different file formats. The file extension allows the operating system or the user of the device to recognize its format and use the appropriate program that allows to run it.
