The file extension is not necessarily linked to the format of the file but instead just tells File Explorer how to open and read that particular file using the applications you have installed.

For it is very important to see file extension to identify the type of file you are trying to open from a security point of view. So in this post, we will see how to hide or show File Extensions ...

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.

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 ...

Mac OS X computers use a default application to open every file type based on its file extension. If you don't want to use the default application when opening a file, you can select "Open With ...

When you double-click a file on your Mac, the operating system will automatically open the file using the program assigned to that type of file. It is possible, though, to open the file using ...

Each category of file type has many file formats according to their compression level or other factors. The programs recognize the files by their format and open them.

Do you want to open a file type or link with a specific app? Here's how to change the default app settings on Windows 11.

Changing one file type The quickest method to change a single file type is to do it from the Open With menu. If you want to change more than one file type at a time, skip to the next section.

10 Ways to Open .Docx Word Files When a .docx file cannot be opened by regular means (as listed below), you might need a special tool to repair Word document.

How to Open a .CWK File Without iWork. A .CWK file is an extension applied to Apple Works files. It applies to spreadsheet, presentation or word-processing files created with Apple Works. With the ...