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Microsoft retires WordPad after 28 years — app no longer available as of Windows 11 24H2
(www.tomshardware.com)
This is a most excellent place for technology news and articles.
As others have said, fast opening quick notes with basic formatting.
For example, if I get an unexpected call I need to write down more than a call back number, Wordpad was my go to.
Well, at least when back when I used Windows regularly.