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.

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 ...

Windows 11 can make it easier to access your extensions through apps. Here's how. Windows 11 can keep track of the apps you open and set them by default for faster navigation.

We show you how to open files with no extension in Windows 11/10. You can try these tricks or use one of these free software or online tools.

Free Opener truly can open a large amount of formats, including documents, spreadsheets, presentations, PDFs, media, and code. Sadly, it can’t edit most of them.

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 ...

Opening the File Attempt to open the file in Word by simply double clicking on the file. It may or may not open. In some cases, you must first convert the file to a Word compatible document type.

You can add a new file type to the New item section of the Windows 10 Context Menu, but you will have to edit the Windows Registry. Here is how you do it.

If your Excel files are opening in Notepad on Windows PC, here's how you can reset the settings to make .xls, .xlsx, etc files open in Excel.