Secure messages with a digital ID in Outlook - Microsoft Support
Your digital signature, which includes your certificate and public key, originates from your digital ID. And that digital ID serves as your unique digital mark and signals the recipient that the content hasn't been altered in transit.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, New Outlook for Windows
Create and add an email signature in Outlook - Microsoft Support
How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Office for business, Office 365 Small Business, Outlook on the web, Outlook.com, Microsoft Office, New Outlook for Windows, Outlook on the web for Exchange Server 2016, Outlook on the web for Exchange Server 2019
Verify the digital signature on a signed email message
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 message, not only who sent the message.
Applies To:
Outlook for Microsoft 365, Outlook for Microsoft 365 for Mac, Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2019 for Mac, Outlook 2016, Outlook 2016 for Mac, Outlook.com, New Outlook for Windows, Outlook for Android, Outlook for iOS, Outlook Web App
Brand your business - Microsoft Support
Try these three great things you can do to promote your business: 1. Create your custom email domain. If you haven't already, sign up for Microsoft 365 and get a custom email domain for your business. Need a little help? Here's more on how to Set up your small business. 2. Create an email signature.
Phishing and suspicious behavior in Outlook - Microsoft Support
In Outlook and the new Outlook on the web, you can hover your cursor over a sender's name or address in the message list to see their email address, without needing to open the message. Note: This feature is only available if you sign in with a work or school account.
Applies To:
Outlook 2024, Outlook 2024 for Mac, Outlook 2021, Outlook 2021 for Mac, Outlook 2019, Outlook 2016, Outlook on the web, Outlook.com, New Outlook for Windows
Send S/MIME or Microsoft Purview encrypted emails in Outlook
Automatically choose the best certificate for digital signing: Allows Outlook to select a base certificate. If not checked, you'll be prompted to select the right certificate.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft Office, New Outlook for Windows, Outlook Web App
Create an email signature from a template - Microsoft Support
All you have to do is get the template, copy the signature you like into your email message and personalize it to make your own Outlook signature. Check out the video to see how it's done.
Applies To:
Outlook for Microsoft 365, Outlook 2024, Outlook 2021, Outlook 2019, Outlook 2016, Microsoft Office
Fix Outlook account problems in Office 365 for business
You can't create an Outlook profile or you're asked for a password repeatedly. You can't connect to your mailbox or get an error that a mailbox can't be found. You get invalid license errors or messages that Office can't verify the license.
Introduction to digital signatures - Microsoft Support
Depending on how Microsoft Office digital-signature features are used in your organization, you might be able to sign your form templates using a digital certificate from your organization's internal certification authority. Or you might need to have an administrator sign your form templates for you using an approved certificate.
Applies To:
InfoPath 2010, InfoPath 2013
Create and manage e-sign requests - Microsoft Support
To create an e-sign request, you’ll need to sign into your account with an available e-signature provider such as Adobe Sign or DocuSign. If you don't have account, it's easy to start a free trial or create an account.