Learn how to open encrypted emails. Outlook protected messages have a banner at the top of the message that informs you of restrictions. Outlook should open the message like normal. Otherwise, follow instructions for opening encrypted or protected mail.

Check your junk or spam folder if your bank sent your code via email. Check your network or cellular connectivity to make sure you’re connected. If you haven’t received the code after 3 minutes, select the Resend code button to receive a new code. The code I received didn’t work.

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. What is a digital signature? A digital signature or ID is more commonly known as a digital certificate.

若要对 Office 文档进行数字签名，必须具有当前 (未过期) 数字证书。 数字证书通常由证书颁发机构 (CA) 颁发，CA 是颁发数字证书供其他方使用的受信任的第三方实体。 有许多商业第三方证书颁发机构可以从中购买数字证书或获取免费数字证书。

Unauthorized accessories can compromise the gaming experience on Xbox consoles (Xbox One, Xbox Series X|S). There is no impact to players using the Xbox Adaptive Controller and any peripherals plugged into the Xbox Adaptive Controller’s USB and 3.5mm ports.

In the Microsoft Store app: Close the Store app and reopen it, then try your purchase again. If that doesn't work, try to make your purchase from the Store using a web browser.

数字签名是电子邮件、宏或电子文档等数字信息上的一种经过加密的电子身份验证戳。 签名用于确认宏或文档来自签名人且未经更改。 下面是一个签名行示例。 返回页首. 签名证书 若要创建数字签名，您需要具有用于证实身份的签名证书。 当您发送经过数字签名的宏或文档时，证书和公钥也会随之一起发送。 证书由证书颁发机构颁发，与驾驶执照类似，也可以被吊销。 证书的有效期通常为一年，超过此时间后，签名人必须续订或获取新的签名证书才能确认身份。 注意: 可以在本文中了解有关 公钥和私钥 的更多信息。 证书颁发机构 (CA) 证书颁发机构是一个类似公证人的实体。 它可以颁发数字证书，对证书进行签名以验证其有效性，以及跟踪已吊销或过期的证书。 返回页首. 下列术语和定义显示数字签名将提供哪些保证。

We are releasing a new Xbox Update Preview to the Alpha Skip-Ahead ring today. Continue reading below to learn all about what's included with this update. Note If you have enabled Keep my console up to date, the update will download and install automatically.

This document describes support for deploying, managing, and monitoring the Secure Boot certificate updates using Windows registry keys. The keys consist of the following: One key to trigger the deployment of the certificates and boot manager on the device. Two keys for monitoring status of the deployment.

After you turn on two-step verification or set up the Authenticator app, you may run into issues if you use older devices (like Xbox 360 or a mail-sending security camera) that don't support two-step verification. For those devices, you can sign in with an app password instead.