File extensions are the characters that precede the last period of a file name. It helps us find the type of file we are trying to open i.e. whether it is an audio file, video file, or simply a ...

Normally, if you change a file’s extension in Windows, it doesn’t do anything positive. It just makes the file open in the wrong programs that can’t decode what’s inside. However, [PortalRunner] has ...

Windows/Linux: If you've downloaded or received a file with an extension you don't recognize (or with no extension at all), TrID can analyze it and tell you what programs can open it. We've talked ...

Windows only: While Windows Explorer can sort files by type, by default it doesn't display or sort files by extension in a separate column—but the Extension Column add-on does just that. Install this ...

In the Mac OS it is possible to change the default program the operating system will use to open a file when you double-click on it. After you have changed this file association, though, you may want ...

For iOS 16 and later, Apple has introduced a macOS feature in the Files app that allows you to convert file formats on your iPhone without needing any third-party apps. If you often download or ...

In Windows 11 or Windows 10, you can Configure, Export, Import File Associations and even set or change file associations and extensions using GUI, but there is no option provided to delete an ...