The Windows operating system uses the file extension to understand how to open a file. For example, when you double-click to open a TXT file, Notepad probably opens it.

Notepad always opened .txt files, but I changed to MSWorks after Notepad stopped working. I fixed Notepad, and want to change back to it (to open .txt files). The problem with Notepad was that the ...

You can open or import a surprising number of file formats into Microsoft Word. Not to be confused with file formatting, which—in most programs—refers to the design of a page, file formats are ...

When you double-click on a file in Windows, it will automatically open a default program that is configured to manage these types of files. It is common, though, want or need to use a different ...

Need to use third-party programs to open files on your PC? Here's how to change file associations in Windows 10 and choose which apps open which file types.

A reader would like to know how to change the default program his computer uses to open .jpg files when he double-clicks on a photo file. Most computers will use their operating system’s default ...

Google is releasing robots.txt to the open-source community in the hopes that the system will, one day, becoming a stable internet standard. On Monday, the tech giant outlined the move to make the ...

This post explains how to write to a file in Python. You'll discover how to create word files (.docx), spreadsheets (.csv), text files, and more!