Windows programs have unique "Process IDs." Windows identifies all processes using this ID. Microsoft Winform developers often need to allow users to open files such as Word documents, images and even ...

Kavindu installed KMPlayer, then discovered that more file types opened in KMPlayer than he wanted. When you open a data file, Windows uses the file’s extension (such as .docx, .mp3, .jpg) to see in ...

BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this. Windows uses a file’s extension–the part of the ...

Depending on the type of file being referenced by a Web link, Web browsers aren't always able to open files themselves. In cases like this, your Web browser will prompt you to choose a program to open ...