windows 7 - Use File TypesMan to change extension setting, but it show this file type may affect the following extensions - Stack Overflow

I want to change extensions default icon, so use File TypesMan. When I change some file setting, the panel show notice: Notice - Changing the properties of this file type may affect the following

Set the default pdf viewer app in Windows 10 Registry? - Super User

4 Ways to Change a File Extension - wikiHow

Change file type descriptions in Windows 7 - Super User

How to change file extension form in computer - Quora

permissions - How to conveniently mass-reassign file associations in Windows 10 (1803)? - Super User

How to change Windows file associations for files accessed via MTP (such as Android device files) - Super User

How to change the default program a file opens with in Windows 7

How to set or change file associations & extensions in Windows 7,8,10 – Creative Works Support

How to remove file association and display the file extension in Windows 7 - Super User

How to change the default program a file opens with in Windows 7