Save the Web page. Open the page using an Internet browser to test the functionality of your drop-down list. When the item is chosen, the associated Web page opens in a new window.

Next, head to the Opening files option and expand the respective drop-down menu. Choose the Open in a new window option from the given list. Once done, you can choose multiple .txt files and open ...

Then, you can expand the respective drop-down list and choose the size as per your requirements. Read: How to replace Notepad with Notepad++ in Windows. What is the default Notepad font in Windows 11?