Can I Simply Change .PDF Extension To .TXT?
1. On the Start screen, select the Windows Explorer tile.
2. Next, locate the file whose extension you would like to change.
3. Next, on the menu bar, click View and then tick or check “File name extension” to show the extension of all your files.
4. Next, right click on the file and select Rename.
5. Finally, enter the new extension and press enter. That are the complete steps to change file extensions