Below are some unusual Windows Keyboard Shortcuts.

Open Programs

CTRL + ALT + SHIFT + Windows Key + L – Opens LinkedIn in Default Browser
CTRL + ALT + SHIFT + Windows Key + T – Opens Microsoft Teams in Default Browser
CTRL + ALT + SHIFT + Windows Key + W – Opens Microsoft Word
CTRL + ALT + SHIFT + Windows Key + X – Opens Microsoft Excel
CTRL + ALT + SHIFT + Windows Key + O – Opens Microsoft Outlook
CTRL + ALT + SHIFT + Windows Key + P – Opens Microsoft PowerPoint

Restart Graphics Driver/Reinitialize Desktop-Explorer Process

Windows Key + CTRL + SHIFT + B

Toggle HDR On/Off

Windows Key + ALT + B

Source: Microsoft