What is a signature document?
When sending emails to friends and relatives, classmates, customers, etc. , you can add your own electronic business card to the e-mail. This electronic business card is a signed document. You can design personalized business cards or email signature files online through official website, a mobile phone network disk. In Baidu Post Bar, you can also use signature files. You can add some signed pictures or emails you like to make it easier for others to know you.