Learn how to play a game during a service outage by setting your XBOX to offline.

Tell me more about digital signatures and certificates. Show me how to get a digital signature from a certificate How would I learn about signing certificates?

Walk me through how to use a self-signed certificate. How do I sign certificate and certificate authority? Give me digitally sign my VBA macro project.

使用 Microsoft Authenticator 登入 開啟 Authenticator，然後選取 >] 圖示 新增 公司或學校帳戶> 登入。 選取 [從另一部裝置登入]。 在遠端畫面上，開啟 [ 登入您的帳戶] 頁面 ，然後輸入您在 Authenticator 中看到的驗證碼。 在遠端螢幕上，使用您的公司或學校帳戶認證登入。 在遠端畫面上完成驗證之後，請 ...

Signing your email messages with a digital ID helps to prove your identity and prevent message tampering.

Learn about the Entra account registration page, and frequently asked questions (FAQ) about adding a work or school account to a Windows device.

Windows iOS Android View protected files in Windows using the Microsoft Purview Information Protection viewer If you are trying to open a protected file in Windows and it does not open properly, then you will likely need to use the Microsoft Purview Information Protection viewer for the desktop. The information protection viewer supports the following file types and environments.

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

How to create or edit your Outlook signature for email messages. Include your signature, text, images, electronic business card, and logo.

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 ...