How to modify an existing file type
1. Open Folder Options in Control Panel.
- Click Start, and then click Control Panel.
- Click Appearance and Themes, and then click Folder Options.
2. On the File Types tab, click the file type you want to change, and then click Advanced.
3. If necessary, modify the file type description, and click Change Icon to change the file type icon.
4. Under Actions, click the command you want to modify, and then click Edit, Remove, or Set Default. Click New to add a new command to the Actions list.
One Reply to “How to Change a File Extension in Windows”