An ITIN (Individual Taxpayer Identification Number, sometimes called a PIN, Tax ID or Taxpayer ID) will serve as your identification number for filing your tax returns. If you do not qualify for an SSN, you will need to apply for an ITIN.
Active Server Page Extended ASP.NET script. An aspx file extension is associated with Active Server Page Extended format used by Internet Information Services (IIS) web server with server side scripting language ASP.NET used to dynamically generate websites. Generated output from an .aspx page in your browser is common html page.
SPX files are Audio Files primarily associated with Foxpro Compiler Screen Program (Microsoft Corporation). SPX files are also associated with Screen Peace Extension, Ogg Speex Profile and FileViewPro. Additional types of files may also be using the SPX file extension. If you are aware of any other file formats using the SPX file extension, please contact us so that we can update our information accordingly.