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public.It issues digital certificates, signs certificates to verify their validity and tracks which certificates have been revoked or have expired.

At Microsoft, we're guided by our AI principles, our Responsible AI Standard, and decades of research on AI, grounding, and privacy-preserving machine learning.Data privacy and security is a key principle of responsible AI. We aim to help our customers use our AI products responsibly, sharing our learnings, and building trust-based partnerships.

Start page numbering on Page 3 - double-sided printing. If the first page of your document is a cover page, the second page is a table of contents, and you want the third page to show “Page 1”, see Start page numbering on Page 3 - double-sided printing.

Note for iPhone: If you are having trouble with your iPhone import, make sure your device is unlocked and you’ve accepted the permissions. Note for Android and other devices: If you’re using an Android phone or other device and import isn’t working, you might need to change your phone’s USB settings from Charging over USB to Transfer Files or Transfer Photos.

Next steps. After you register your personal device to your organization's network, you should be able to access most of your resources. If your organization wants you to join your work device, see Join your work device to your organization's network.

你可以在 OneDrive 上存储超过300的文件类型。 它们是安全的，可在浏览器、移动应用、Mac 和 Pc 上使用。 无论是否拥有 Office，您都可以与其他人在 Office 文档中进行编辑和共同创作。

To change notification settings for individual senders, under Get notifications from these senders, turn a notification sender either on or off—or select a sender's name and then turn on or turn off notification banners, lock screen privacy, turn notification sounds on or off, and set the priority of notifications.

Going passwordless refers to removing your password and using a passwordless method to sign in instead. Passwordless solutions such as Windows Hello, the Microsoft Authenticator app, SMS or Email codes, and physical security keys provide a more secure and convenient sign-in method. While passwords can be guessed, stolen, or phished, only you can provide fingerprint authentication, or provide ...

When you use InPrivate tabs or windows, your browsing data (like your history, temporary internet files, and cookies) isn't saved on your PC once you're done.

Note: Microsoft provides programming examples for illustration only, without warranty either expressed or implied.This includes, but is not limited to, the implied warranties of merchantability or fitness for a particular purpose. This article assumes that you are familiar with the VBA programming language, and with the tools that are used to create and to debug procedures.