Open the mailbox, find the personalized signature in the settings, enter the required signature, and click OK. Below I will demonstrate the detailed operation steps:

Operating environment: windows7 system, QQ mailbox version 6. 1.7, Dell G3 computer.

1. Take QQ mailbox as an example and log in to QQ mailbox.

2. Find the "Settings" button in the email account and enter "Settings".

3. Find "Personalized Signature" under the "General" column, and then click "Add Personalized Signature" button.

4. Open the New Personalized Signature dialog box, enter the required signature, and then click OK. You can see the previously entered signature in the personalized signature. If you need to modify it, you can click Edit. If it does not need to be modified, it can be used directly.

These are all the steps of how to add a signature to an email. Come and try what you have learned!