Obtain a digital certificate and create a digital signature
网页If you plan to exchange digitally-signed documents together with other people, and you want the recipients of your documents to be able to verify the authenticity of your digital signature, you can obtain a digital certificate from a …
Get a digital ID - Microsoft Support
网页A digital ID enables you to send digitally signed messages using Microsoft Outlook. A digital ID—also known as a digital certificate—helps prove your identity and helps prevent message tampering to protect the authenticity of an email message. You also can encrypt messages for greater privacy.
Secure messages by using a digital signature - Microsoft Support
网页A digital signature attached to an email message offers another layer of security by providing assurance to the recipient that you—not an imposter—signed the contents of the email message. Your digital signature, which includes your certificate and public key, originates from your digital ID.
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.
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.
Verify the digital signature on a signed email message
网页Open the digitally signed message. Look at the Signed By status line to check the email address of the person who signed the message. It isn’t enough to check the email address in the From line — you want to verify who actually signed the …
Exporting a digital certificate - Microsoft Support
网页If you have already configured Outlook for S/MIME, you can use the following steps to export a digital certificate. Open Outlook. Select File > Options > Trust Center > Trust Center Settings. Select Email Security. Under Digital IDs, select Import/Export. Select Export Your Digital ID to a file.
Obtain a digital certificate and create a digital signature
网页Obtain a digital certificate and create a digital signature. This article explains how you can get or create a digital signature for use in Office documents. To learn more about how to use them in Office documents, see Add or remove a digital signature in Office files.
Encrypt email messages - Microsoft Support
网页When you choose to encrypt all outgoing messages by default, you can write and send messages the same as with any other messages, but all potential recipients must have your digital ID to decode or view your messages.
Read email messages in plain text - Microsoft Support
网页Click Trust Center, and then click Trust Center Settings. Click Email Security. Under Read as Plain Text, select the Read all standard mail in plain text check box. To include messages signed with a digital signature, select the Read all …
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 enable or disable macros for Microsoft 365.