How to quickly restore the auto-capitalize letter of sentence in OneNote?​

Question:
How do I turn of auto-capitalization in OneNote on Windows 10?

Answer:
The OneNote 17 (UWP) on Windows 10, there still no option to turn of capitalize first letter of sentence.

Temporary Solution:
But, we can restore the first letter from uppercase to lowercase by using keyboard shortcut quickly.

The following steps:

1. After input a word, press space key. And the first letter of the word will auto change to uppercase.
2. Then, we press the undo key: Ctrl + Z

The first letter will restore to lowercase.

This method is also suitable for desktop version OneNote, like: OneNote 2010, 2013, 2016 or Mac OneNote.