With the deepening informatization process, most enterprises have basically realized online office work. Therefore, in daily work, a large number of word and excel documents need to be transmitted on the Internet, so ensure that the Document information security is crucial. The promotion and application of electronic signature technology not only solves the problems of integrity, authenticity and reliability of data information, but also promotes the informatization process of enterprises to a certain extent. So how do you operate electronic signatures on word and excel documents? The following article mainly gives a brief explanation on the use of electronic signatures in OFFICE office software, so that users can use it better.

1. Make an electronic signature sample file. First, register as a Pengyucheng member and apply for an electronic signature sample for free. The storage method can be file storage or smart card storage. The former needs to be stored on a personal computer for electronic signature, while the latter needs to write the file to a personal smart card. Electronic signatures are only possible with inserted cards. Signature verification supports smart card verification and allows users to withdraw, re-sign, delete and other operations on their signatures.

For digital certificate verification and signature, the CA certificate chain and user certificate must be installed on the client. If a smart card is used, smart card-related drivers must be installed. (This is for enterprise version users, not required for individual users)

3. Open the Word document that needs to be signed, move the cursor to the location where signature is required, and click "Electronic Signature" on the toolbar "

"Read signature file from disk" means reading signature sample file from disk, "Read signature file from smart card" means reading signature sample file from smart card storage.

"Content Lock" is set to determine whether the document content is allowed to change. If checked, the signature will become invalid once the document content is modified. Otherwise, whether the document content changes will not affect the validity of the signature, that is, The signature status is always "Content independent". "Write Protect" and "Print Protect" are the types of protection options for documents.

If the password is correct, search for the corresponding digital certificate in the local personal certificate storage or smart card, and submit the validity information of the certificate to the identity authentication center. If the verification is successful, the signature can be performed. The operation prompt button will provide simple operation prompt help. After clicking the OK button, the signature will be inserted into the specified position. The electronic signature in the document inserted at this time can be selected, moved, and resized. However, the electronic signature will be locked after verification. The locked electronic signature is no longer allowed to be selected, moved, resized, and other operations.

4. The electronic signature of an excel form is operated the same as a word document. Note that the difference is that after the electronic signature is inserted into the form, operations such as selecting, moving, and scaling the signature are not allowed.

5. For documents that have electronic signatures inserted into them, signature management can be performed. After clicking "Electronic Signature" on documents that already have electronic signatures, a signature list will pop up, and new signatures and withdrawals can be made. , re-sign and delete operations.