1. First find the outlook mail in all applications and open it, or directly search the outlook mail.

2. After opening, click the "+"button on the bottom menu bar to create a new email. At this point, we open the unsigned email body.

3. Exit New at this time, click the button at the bottom of the menu bar, and more options will pop up. Find "Settings" here.

4. After entering the settings, you can see many options. Find "Signature" and click Enter.

5. At this point, you can set it in the signature setting interface; If you have multiple email accounts and use the same signature, ...