You can change the default Character Encoding in Notepad from UTF-8 to ANSI, UTF-16 LE, UTF-16 BE, UTF-8 BOM. using Registry Editor.

Most Microsoft apps use the same font by default. However, if you want to always use a different font in one or all of your desktop 365 apps, you can change the default manually.

How to Set a Default Font in Microsoft Word. After initial installation, Microsoft Word typically uses Times New Roman serif font as its default.