Explanation

Ctrl + R in MS Word is used to right-align the selected text.
This shortcut is a quick way to change the alignment of text to the right side of the page or cell.

Additionally, here are a few more shortcuts that are useful:

• - Ctrl + Shift + >: Increase font size
• - Ctrl + Shift + <: Decrease font size
• - Ctrl + Shift + !: Format as title case
• - Ctrl + Shift + ?: Format as all caps
• - Ctrl + Shift + ~: Format as small caps
• - F5: Refresh the document
• - F7: Spell check and grammar check
• - F12: Save as