Obtain a digital certificate and create a digital signature
网页To digitally sign an Office document, you must have a current (not expired) digital certificate. Digital certificates are typically issued by a certificate authority (CA), which is a trusted third-party entity that issues digital certificates for use by other parties.
Digital signatures and certificates - Microsoft Support
网页A digital signature is an electronic, encrypted, stamp of authentication on digital information such as email messages, macros, or electronic documents. A signature confirms that the information originated from the signer and has not been altered.
View digital signature and certificate details - Microsoft Support
网页You can view information about a digital signature, or the certificate that is used to create the digital signature, in Word, PowerPoint, and Excel. For more information on adding or removing digital signatures, see Add or remove a digital signature.
Obtain a digital certificate and create a digital signature
网页To digitally sign an Office document, you must have a current (not expired) digital certificate. Digital certificates are typically issued by a certificate authority (CA), which is …
Add or remove a digital signature for Microsoft 365 files
网页You can add invisible digital signatures to Word documents, Excel workbooks, and PowerPoint presentations. Signed documents will have the Signatures button at the bottom of the document.
Digitally sign your VBA macro project - Microsoft Support
网页This article describes how you can digitally sign a macro project on Windows by using a certificate. If you don't already have a digital certificate, you'll need to get one.
Manage your Microsoft 365 subscription or Office product
网页For Microsoft 365 Family or Personal subscriptions: Select Install premium Microsoft 365 apps and follow the prompts to install or reinstall the desktop apps. On the Microsoft 365 subscription tab, select Manage. From here you can: Renew your subscription with a prepaid code or card. Learn more.
Change macro security settings in Excel - Microsoft Support
网页In Excel, you can change the macro security settings to control which macros run and under what circumstances when you open a workbook. For example, you might allow macros to run based on whether they are digitally signed by a trusted developer.
Insert data from picture - Microsoft Support
网页Learn how to insert data from a picture with Excel - and you can use your smartphone or tablet to take the picture. Excel's powerful AI capabilities can convert your hand written or printed data into a table.
Obtain a digital certificate and create a digital signature
网页To digitally sign an Office document, you must have a current (not expired) digital certificate. Digital certificates are typically issued by a certificate authority (CA), which is …
Enable or disable macros in Microsoft 365 files
网页Block suspicious macros in Office on Windows 10 S. How malware can infect your PC. Improve security, evaluate and mitigate the risks of running macros, and see how to …