Short answer: open TextEdit when you are looking for Notepad on Mac.

TextEdit can create plain text documents as well as formatted rich text documents.

How to open TextEdit

Open TextEdit from Applications, or search for TextEdit with Spotlight.

What TextEdit does

TextEdit lets you write and edit text documents. You can use it for plain text notes, simple drafts, and rich text documents with basic formatting.

How Callsign helps with the name mismatch

Callsign creates a visible alias named Notepad in a folder you choose. When you use that familiar name, it opens TextEdit. The alias is a normal visible file, not a replacement editor.