When it comes to converting file extensions on your iPhone, don't worry about downloading a third-party app when you can make the changes yourself.

You can create a file without a File Type Extension in Windows 11/10 by carefully following the steps laid down in this post.

How to Open Unrecognized File Extensions. In most cases, the majority of the file extensions you encounter on your computer are already associated with a program or protocol. When a file extension ...

Red Eye Rose received a file with a strange extension. She doesn't know into what program she should load it. Neither does Windows.

The default setting for Windows is to not display a file's extension. Therefore, when viewing files in Windows you would only see the portion of the filename that precedes the last period in ...

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 ...

Learn how to rename all file extensions in a folder & sub-folders at once on Windows 11/10. You can batch rename or rename all file extensions in bulk using this guide.

BearPup sometimes wants to open a file in one program, and other times open it in another. He asked the Answer Line forum for an easy way to do this. Windows uses a file’s extension–the part ...