If you're trying to open a file and it keeps opening the wrong apps, you may need to change your file extension. Here's how you can fix it ...

How to change the default program a file opens with in Windows 7 When you open files that have a particular file extension, Windows will look at its configuration to determine what the default ...

Learn how to hide or show file extensions in Windows 11/10 File Explorer via Folder Options, Registry, Group Policy or CMD. It is better to set Windows to show them.

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.

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 ...

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.

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 ...

If you’re tired of Windows opening files in the wrong apps, changing file associations may fix the problem. Here’s how to do it.