If you are signed into a microsoft account and need to sign into another one, click on the list arrow next to your name in the top-right corner of the word window.

left

Explanation:

If you are signed into a Microsoft account and need to sign into another one, click left on the list arrow next to Your Name in the top-right corner of the Word window.

Multiple Microsoft accounts can be opened at one time in different tabs of your computer. They can be used simultaneously as well. It helps the user to work efficiently rather than logging in or logging out from his accounts which hinders effective and efficient output.

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