2. Prompt through office service: As shown in the figure below, the pop-up window is to remind users that the legal effect of digital signature of office has different magical effects in different countries. Click "OK"!
3. Digital signature page setup: As shown in the figure below, enter the purpose of signing the digital signature of this document in the box below "Purpose of signing this document (P)"!
4. Save the identification code of the digital signature: as shown below, save the identification code of the digital signature, which can be saved as a screenshot in a fixed folder or as a txt document! When you suspect that someone else has modified the sent document, you can check whether the identification code of the document in someone else's hand is consistent with the saved one. If other files don't have identification codes or the identification codes are inconsistent, you can assume that the sent files have been tampered with!
5. View digital signature: After the document is digitally signed, the identification code and signature date of the added digital signature will be displayed in the right window of the document! If it is not displayed, you can view it as follows! As shown in the figure below:
6. At this time, the identification code of the digital signature will appear in the box on the right!