Sometimes, when you try to open a Word file it fails to open and displays the following message – Word cannot open the file because the file format does not match the file extension. This can be ...

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.

If you want to search the entire computer, open any folder in File Explorer, go to This PC (or the name of your PC), and find the (C:) drive.

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.

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 ...

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 ...

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 ...

How to Open GDB Files. A file with the GDB file extension is an InterBase database file. The GDB file type is the native file type for versions of the InterBase Database prior to version 7.