HTML files are opened by default by Web browsers but contain plain text. If you work with HTML files in your small business, it might be easier to edit them if you first save them as text files.

To save a Notepad file as HTML, you simply have to change its extension while saving it. Let’s see how to do this: Launch Notepad on your system and open a text file in it.

CSV files are special text files that are quite common when dealing with spreadsheets. ... Navigate to the location where you wish to save the file, give it a name, and click Save.

You'll also want to change *.txt if you're working with HTML files (or another type of text file). ... you can use the command line to save you a lot of time and effort.