About digital signatures and certificates in Office, and buying a digital certificate from a certificate authority or create your own.

Certificate authority (CA) A certificate authority is an entity similar to a notary public. It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired. Top of Page Digital signature assurances The following terms and definitions show what assurances are provided by digital signatures. Authenticity The signer is ...

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Select Edit contact, and then select Save & Close. View a certificate for a contact On the Navigation bar, select People. Select the person's name, and then on the Contact tab, select Certificates. Digitally sign a single message in classic Outlook In the message, on the Options tab, in the Encrypt group, select Sign.

Don't forget to include your license ID or agreement number, your contact phone number & email address so we can contact you. If you already have a volume licensing support case number, you may be in a location where you can phone the Volume Licensing support team.

Create a custom signature block with a picture and social networking icons to add as a new signature for your email messages.

Create a sheet of different individual labels.Create and print a page of different labels Go to Mailings > Labels. Select the label type and size in Options. If you don’t see your product number, select New Label and configure a custom label. Select New Document. Word opens a new document that contains a table with dimensions that match the label product. If gridlines are not displayed, go ...

How to add a signature to your Word documents. You can also use the Signature Line command in Word to insert a line to show where to sign a document.

In these cases, contact the administrator for your work or school account to use this authentication method. If you are allowed by your admin to use phone sign-in using Authenticator, you'll be able to go through device registration to get set up for passwordless phone sign-in and two-step verification.

Contact your admin if you need help. Support options are available to admins who can sign in to the Microsoft 365 admin center with their admin account to contact support on behalf of users in their organization.