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 ...

Change the extension of the file format to whatever you need it to be by changing the letters after the period. It is important to note that this will only work for files that are similar.

This guide explains how to change the file extension in Windows 11. It also clarifies the distinction between file extensions and file types. Change a File Extension the Easy Way The simplest way ...

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.

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.

How to change the Gmail attachment icon to show file type Get rid of the boring paperclip icon for an e-mail attachment in Gmail by using this handy Chrome extension.

How do I change the file extension for all files in a folder? To change the file extension for all files in a folder, in Windows 7, click on the Organize button and then click Folder and search ...

If you want a different app to always open a particular file type, here's how to do it.

When you double-click on a file in Windows XP, the operating system will automatically open the file using a program that has been is associated with the file's extension. It is possible ...