Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

To learn about digital signatures (also known as digital ID), what they can be used for, and how to use them in Word, Excel, and PowerPoint, see All about digital signatures. Create a signature line in Word or Excel (desktop) In the document or worksheet, place your pointer where you want to create a signature line. On the Insert tab, select Add a Signature Line in the Text group. In the ...

Want to add a padlock to your email messages? You can use encryption and digital signatures in new Outlook, classic Outlook, and Outlook on the web for work or school accounts to increase the security of messages. Encrypting an email message in Outlook means it's converted from readable plain text into scrambled cipher text. Only the recipient who has the private key that matches the public ...

Choose your alternative verification method, and continue with the two-step verification process. After you're back in your account, you can update your verification methods (if necessary). For more info about add or changing your methods, see the Manage your settings for two-step verification article. Next steps Learn about your security info in the Security info (preview) overview article ...

Register the password reset verification method for a work or school account

Training: Learn how to create a signature and create an automatic reply in Outlook.com or Outlook on the web.

Change your email signature in Outlook for iOS and Android, and set a different signature for each of your accounts.

What does "Let's keep your account secure" mean? If you see a message like the one below that says, "Let’s keep your account secure" when signing in to your work or school account, it's because your organization or Microsoft needs another way to verify your identity during sign-in.

Open a new email message. On the Message tab, select Signature, and then select Signatures. In the E-mail account list, pick the email you want. Under Select signature to edit, select New, and type a name for the signature. Select OK. Type the signature you want in the Edit Signature box. Format the signature as needed, and then select Save. More on creating signatures

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.